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SF 743

1st Engrossment - 87th Legislature (2011 - 2012) Posted on 03/06/2012 02:27pm

KEY: stricken = removed, old language.
underscored = added, new language.

Current Version - 1st Engrossment

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A bill for an act
relating to environment; providing standards for use of recycled water; providing
for natural swimming ponds; authorizing rulemaking; appropriating money;
amending Minnesota Statutes 2010, section 144.1222, subdivisions 1, 5;
proposing coding for new law in Minnesota Statutes, chapter 115.

BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF MINNESOTA:

Section 1.

new text begin [115.84] DEFINITIONS.
new text end

new text begin Subdivision 1. new text end

new text begin Approved laboratory. new text end

new text begin "Approved laboratory" means a laboratory
certified by the commissioner of health to perform the microbiological analyses in
nonpotable water required under sections 115.84 to 115.89.
new text end

new text begin Subd. 2. new text end

new text begin Coagulated wastewater. new text end

new text begin "Coagulated wastewater" means oxidized
wastewater in which colloidal and finely divided suspended matter have been destabilized
and agglomerated upstream from a filter by the addition of suitable floc-forming chemicals.
new text end

new text begin Subd. 3. new text end

new text begin Conventional treatment. new text end

new text begin "Conventional treatment" means a treatment
chain that uses a sedimentation unit process between the coagulation and filtration
processes and produces an effluent that meets the definition for disinfected tertiary
recycled water.
new text end

new text begin Subd. 4. new text end

new text begin Disinfected secondary-2.2 recycled water. new text end

new text begin "Disinfected secondary-2.2
recycled water" means recycled water that has been oxidized and disinfected so that
the median concentration of total coliform bacteria in the disinfected effluent does not
exceed a most probable number (MPN) of 2.2 per 100 milliliters using the bacteriological
results of the last seven days for which analyses have been completed, and the number
of total coliform bacteria does not exceed an MPN of 23 per 100 milliliters in more than
one sample in any 30-day period.
new text end

new text begin Subd. 5. new text end

new text begin Disinfected secondary-23 recycled water. new text end

new text begin "Disinfected secondary-23
recycled water" means recycled water that has been oxidized and disinfected so that
the median concentration of total coliform bacteria in the disinfected effluent does not
exceed a most probable number (MPN) of 23 per 100 milliliters using the bacteriological
results of the last seven days for which analyses have been completed, and the number of
total coliform bacteria does not exceed an MPN of 240 per 100 milliliters in more than
one sample in any 30-day period.
new text end

new text begin Subd. 6. new text end

new text begin Disinfected tertiary recycled water. new text end

new text begin "Disinfected tertiary recycled water"
means a filtered and subsequently disinfected wastewater that meets the following criteria:
new text end

new text begin (1) the filtered wastewater has been disinfected by:
new text end

new text begin (i) a chlorine disinfection process following filtration that provides a CT value (the
product of total chlorine residual and modal contact time measured at the same point) of
not less than 450 milligram-minutes per liter at all times with a modal contact time of at
least 90 minutes, based on peak dry weather design flow; or
new text end

new text begin (ii) a disinfection process that, when combined with the filtration process, has been
demonstrated to inactivate or remove 99.999 percent of the plaque-forming units of
F-specific bacteriophage MS-2 or polio virus in the wastewater. A virus that is at least as
resistant to disinfection as polio virus may be used for purposes of the demonstration; and
new text end

new text begin (2) the median concentration of total coliform bacteria measured in the disinfected
effluent does not exceed a most probable number (MPN) of 2.2 per 100 milliliters using
the bacteriological results of the last seven days for which analyses have been completed
and the number of total coliform bacteria does not exceed an MPN of 23 per 100 milliliters
in more than one sample in any 30-day period. No sample shall exceed an MPN of 240
total coliform bacteria per 100 milliliters.
new text end

new text begin Subd. 7. new text end

new text begin Drift. new text end

new text begin "Drift" means the water that escapes to the atmosphere as water
droplets from a cooling system.
new text end

new text begin Subd. 8. new text end

new text begin Drift eliminator. new text end

new text begin "Drift eliminator" means a feature of a cooling system
that reduces to a minimum the generation of drift from the system.
new text end

new text begin Subd. 9. new text end

new text begin F-specific bacteriophage MS-2. new text end

new text begin "F-specific bacteriophage MS-2" means
a strain of a specific type of virus that infects coliform bacteria that is traceable to the
American Type Culture Collection (ATCC 15597B1) and is grown on lawns of E. coli
(ATCC 15597).
new text end

new text begin Subd. 10. new text end

new text begin Facility. new text end

new text begin "Facility" means any type of building or structure or a defined
area of specific use that receives water for domestic use from a public water supply as
defined in section 144.382.
new text end

new text begin Subd. 11. new text end

new text begin Filtered wastewater. new text end

new text begin (a) "Filtered wastewater" means an oxidized
wastewater that:
new text end

new text begin (1) has been coagulated and passed through natural undisturbed soils or a bed of
filter media:
new text end

new text begin (i) at a rate that does not exceed five gallons per minute per square foot of surface
area in mono, dual, or mixed media gravity, upflow, or pressure filtration systems or does
not exceed two gallons per minute per square foot of surface area in traveling bridge
automatic backwash filters; and
new text end

new text begin (ii) so that the turbidity of the filtered wastewater does not exceed an average of
two NTU within a 24-hour period; five NTU more than five percent of the time within a
24-hour period; and 10 NTU at any time; or
new text end

new text begin (2) has been passed through a microfiltration, ultrafiltration, nanofiltration, or reverse
osmosis membrane so that the turbidity of the filtered wastewater does not exceed 0.2
NTU more than five percent of the time within a 24-hour period and does not exceed 0.5
NTU at any time.
new text end

new text begin (b) Design treatment processes shall be based on meeting the requirements of
paragraph (a) or filtration without coagulation may be used if pilot test results submitted to
the agency demonstrate that the requirements of paragraph (a), clause (1), can be met for
a minimum pilot test period of 90 days.
new text end

new text begin The agency may modify the sampling frequency under paragraph (a) based on the
wastewater treatment facility classification under Minnesota Rules, part 9400.0500, and
the facility permitted design flow.
new text end

new text begin Subd. 12. new text end

new text begin Food crops. new text end

new text begin "Food crops" means any crops intended for human
consumption.
new text end

new text begin Subd. 13. new text end

new text begin Hose bibb. new text end

new text begin "Hose bibb" means a faucet or similar device to which a
common garden hose can be readily attached.
new text end

new text begin Subd. 14. new text end

new text begin Landscape impoundment. new text end

new text begin "Landscape impoundment" means an
impoundment in which recycled water is stored or used for aesthetic enjoyment or
landscape irrigation or that otherwise serves a similar function and is not intended to
include public contact.
new text end

new text begin Subd. 15. new text end

new text begin Modal contact time. new text end

new text begin "Modal contact time" means the amount of time
elapsed between the time that a tracer, such as salt or dye, is injected into the influent at
the entrance to a chamber and the time that the highest concentration of the tracer is
observed in the effluent from the chamber.
new text end

new text begin Subd. 16. new text end

new text begin Nonrestricted recreational impoundment. new text end

new text begin "Nonrestricted recreational
impoundment" means an impoundment of recycled water for which no limitations are
imposed on body-contact water recreational activities.
new text end

new text begin Subd. 17. new text end

new text begin NTU. new text end

new text begin "NTU" means nephelometric turbidity unit, which is a measurement
of turbidity as determined by the ratio of the intensity of light scattered by the sample to
the intensity of incident light as measured by method 2130 B in Standard Methods for
the Examination of Water and Wastewater, Eaton, A. D., Clesceri, L. S., Rice, E. W., and
Greenberg, A. E., eds. (Washington, DC: American Public Health Association, 2005).
new text end

new text begin Subd. 18. new text end

new text begin Oxidized wastewater. new text end

new text begin "Oxidized wastewater" means wastewater in which
the organic matter has been stabilized, is nonputrescible, and contains dissolved oxygen.
new text end

new text begin Subd. 19. new text end

new text begin Peak dry weather design flow. new text end

new text begin "Peak dry weather design flow" means
the arithmetic mean of the maximum peak flow rates sustained over a specific period of
time during the maximum 24-hour dry weather period. "Dry weather period" means
periods of little or no rainfall.
new text end

new text begin Subd. 20. new text end

new text begin Recycling plant. new text end

new text begin "Recycling plant" means an arrangement of devices,
structures, equipment, processes, and controls that produce recycled water.
new text end

new text begin Subd. 21. new text end

new text begin Restricted access golf course. new text end

new text begin "Restricted access golf course" means
a golf course where public access is controlled so that areas irrigated with recycled
water cannot be used as if they were part of a park, playground, or school yard and
where irrigation is conducted only in areas and during periods when the golf course is
not being used by golfers.
new text end

new text begin Subd. 22. new text end

new text begin Restricted recreational impoundment. new text end

new text begin "Restricted recreational
impoundment" means an impoundment of recycled water for which recreation is limited
to fishing, boating, and other non-body-contact water recreational activities.
new text end

new text begin Subd. 23. new text end

new text begin Spray irrigation. new text end

new text begin "Spray irrigation" means the application of recycled
water to crops to maintain vegetation or support growth of vegetation by applying it
from sprinklers.
new text end

new text begin Subd. 24. new text end

new text begin Undisinfected secondary recycled water. new text end

new text begin "Undisinfected secondary
recycled water" means oxidized wastewater.
new text end

new text begin Subd. 25. new text end

new text begin Use area. new text end

new text begin "Use area" means an area of recycled water use with defined
boundaries. A use area may contain one or more facilities.
new text end

Sec. 2.

new text begin [115.85] USES OF RECYCLED WATER.
new text end

new text begin Subdivision 1. new text end

new text begin Scope. new text end

new text begin (a) This section applies only to recycled water from sources
that contain domestic waste, in whole or in part.
new text end

new text begin (b) This section does not apply to the use of recycled water on-site at a water
recycling plant or wastewater treatment plant if access by the public to the area of on-site
recycled water use is restricted.
new text end

new text begin Subd. 2. new text end

new text begin Irrigation. new text end

new text begin (a) Recycled water used for surface irrigation of the areas
specified in this paragraph must be disinfected tertiary recycled water, except that for
filtration according to section 115.84, subdivision 11, clause (1), coagulation need not be
used as part of the treatment process if the filter effluent turbidity does not exceed two
NTU, the turbidity of the influent to the filters is continuously measured, the influent
turbidity does not exceed five NTU for more than 15 minutes and never exceeds ten
NTU, and there is the capability to automatically activate chemical addition or divert the
wastewater should the filter influent turbidity exceed five NTU for more than 15 minutes:
new text end

new text begin (1) parks and playgrounds;
new text end

new text begin (2) school yards;
new text end

new text begin (3) residential landscaping;
new text end

new text begin (4) unrestricted access golf courses; and
new text end

new text begin (5) any other irrigation use not specified in this section and not prohibited by other
law.
new text end

new text begin (b) Filtration without coagulation for recycled water used according to paragraph
(a) may be used if pilot test results submitted to the agency demonstrate that the turbidity
requirements in paragraph (a) can be met for a minimum pilot test period of 90 days. The
agency may modify the sampling frequency under paragraph (a) based on the wastewater
treatment facility classification under Minnesota Rules, part 9400.0500, and the facility
permitted design flow.
new text end

new text begin (c) Recycled water used for surface irrigation of the following must be at least
disinfected secondary-23 recycled water:
new text end

new text begin (1) cemeteries;
new text end

new text begin (2) freeway landscaping;
new text end

new text begin (3) restricted access golf courses;
new text end

new text begin (4) ornamental nursery stock and sod farms where access by the general public is
not restricted;
new text end

new text begin (5) pasture for animals producing milk for human consumption; and
new text end

new text begin (6) any nonedible vegetation when access is controlled so that the irrigated area
cannot be used as if it were part of a park, playground, or school yard.
new text end

new text begin (d) Recycled wastewater used for surface irrigation of the following must be at least
undisinfected secondary recycled water:
new text end

new text begin (1) orchards where the recycled water does not come into contact with the edible
portion of the crop;
new text end

new text begin (2) vineyards where the recycled water does not come into contact with the edible
portion of the crop;
new text end

new text begin (3) non-food-bearing trees. Christmas tree farms are included in this category if no
irrigation with recycled water occurs for a period of 14 days before harvesting or allowing
access by the general public;
new text end

new text begin (4) fodder and fiber crops and pasture for animals not producing milk for human
consumption;
new text end

new text begin (5) seed crops not eaten by humans;
new text end

new text begin (6) food crops that must undergo commercial pathogen-destroying processing before
being consumed by humans; and
new text end

new text begin (7) ornamental nursery stock and sod farms if no irrigation with recycled water
occurs for a period of 14 days before harvesting, retail sale, or allowing access by the
general public.
new text end

new text begin (e) No recycled water used for irrigation, or soil that has been irrigated with recycled
water, shall come into contact with the edible portion of food crops eaten raw by humans.
new text end

new text begin Subd. 3. new text end

new text begin Impoundments. new text end

new text begin (a) Except as provided in paragraph (b), recycled water
used as a source of water supply for nonrestricted recreational impoundments must be
disinfected tertiary recycled water that has been subjected to conventional treatment.
new text end

new text begin (b) Disinfected tertiary recycled water that has not received conventional treatment
may be used for nonrestricted recreational impoundments if the recycled water is
monitored for the presence of pathogenic organisms as follows:
new text end

new text begin (1) during the first 12 months of operation and use, the recycled water must be
sampled and analyzed monthly for Giardia, enteric viruses, and Cryptosporidium.
Following the first 12 months of use, the recycled water must be sampled and analyzed
quarterly for Giardia, enteric viruses, and Cryptosporidium. The ongoing monitoring
may be discontinued after the first two years of operation with the approval of the
commissioner of health; and
new text end

new text begin (2) the samples must be taken at a point after disinfection and before the point where
the recycled water enters the use impoundment. The samples must be analyzed by an
approved laboratory and the results submitted quarterly to the commissioner of health.
new text end

new text begin (c) The total coliform bacteria concentrations in recycled water used for nonrestricted
recreational impoundments, measured at a point between the disinfection process and the
point of entry to the use impoundment, must comply with the criteria specified in section
115.84, subdivision 6, clause (2), for disinfected tertiary recycled water.
new text end

new text begin (d) Recycled water used as a source of supply for restricted recreational
impoundments and for any publicly accessible impoundments at fish hatcheries must be at
least disinfected secondary-2.2 recycled water.
new text end

new text begin (e) Recycled water used as a source of supply for landscape impoundments that do
not use decorative fountains must be at least disinfected secondary-23 recycled water.
new text end

new text begin Subd. 4. new text end

new text begin Cooling. new text end

new text begin (a) Recycled water used for industrial or commercial cooling or
air conditioning that involves the use of a cooling tower, evaporative condenser, spraying,
or any mechanism that creates a mist must be disinfected tertiary recycled water.
new text end

new text begin (b) Use of recycled water for industrial or commercial cooling or air conditioning
that does not involve the use of a cooling tower, evaporative condenser, spraying, or any
mechanism that creates a mist must be at least disinfected secondary-23 recycled water.
new text end

new text begin (c) Whenever a cooling system, using recycled water in conjunction with an air
conditioning facility, uses a cooling tower or otherwise creates a mist that could come
into contact with employees or members of the public, the cooling system must comply
with the following:
new text end

new text begin (1) a drift eliminator must be used whenever the cooling system is in operation; and
new text end

new text begin (2) a chlorine or other biocide must be used to treat the cooling system recirculating
water to minimize the growth of Legionella and other microorganisms.
new text end

new text begin Subd. 5. new text end

new text begin Other purposes. new text end

new text begin (a) Recycled water used for the purposes specified
in this paragraph must be disinfected tertiary recycled water, except that for filtration
being provided according to section 115.84, subdivision 11, paragraph (a), clause (1),
coagulation need not be used as part of the treatment process if the filter effluent turbidity
does not exceed two NTU, the turbidity of the influent to the filters is continuously
measured, the influent turbidity does not exceed five NTU for more than 15 minutes and
never exceeds ten NTU, and there is the capability to automatically activate chemical
addition or divert the wastewater should the filter influent turbidity exceed five NTU
for more than 15 minutes:
new text end

new text begin (1) flushing toilets and urinals;
new text end

new text begin (2) priming drain traps;
new text end

new text begin (3) industrial process water that may come into contact with workers;
new text end

new text begin (4) structural fire fighting;
new text end

new text begin (5) decorative fountains;
new text end

new text begin (6) commercial laundries;
new text end

new text begin (7) consolidation of backfill around potable water pipelines;
new text end

new text begin (8) artificial snowmaking for commercial outdoor use; and
new text end

new text begin (9) commercial car washes, including hand washes if the recycled water is not
heated, where the general public is excluded from the washing process.
new text end

new text begin (b) Recycled water used for the following uses must be at least disinfected
secondary-23 recycled water:
new text end

new text begin (1) industrial boiler feed;
new text end

new text begin (2) nonstructural fire fighting;
new text end

new text begin (3) backfill consolidation around nonpotable piping;
new text end

new text begin (4) soil compaction;
new text end

new text begin (5) mixing concrete;
new text end

new text begin (6) dust control on roads and streets;
new text end

new text begin (7) cleaning roads, sidewalks, and outdoor work areas; and
new text end

new text begin (8) industrial process water that will not come into contact with workers.
new text end

new text begin (c) Recycled water used for flushing sanitary sewers must be at least undisinfected
secondary recycled water.
new text end

Sec. 3.

new text begin [115.86] RECYCLED WATER REQUIREMENTS.
new text end

new text begin Subdivision 1. new text end

new text begin Isolation distances. new text end

new text begin (a) No irrigation with disinfected tertiary
recycled water shall take place within 50 feet of any water supply well unless:
new text end

new text begin (1) a geological investigation demonstrates that an aquitard exists at the well
between the uppermost aquifer being drawn from and the ground surface;
new text end

new text begin (2) the well contains an annular seal that extends from the surface into the aquitard;
new text end

new text begin (3) the well is housed to prevent any recycled water spray from coming into contact
with the wellhead facilities;
new text end

new text begin (4) the ground surface immediately around the wellhead is contoured to allow
surface water to drain away from the well; and
new text end

new text begin (5) the owner of the well approves of the elimination of the isolation distance
requirement.
new text end

new text begin (b) Except as provided under paragraph (a), no irrigation with, or impoundment of,
disinfected tertiary, disinfected secondary-2.2, or disinfected secondary-23 recycled water
shall take place within 150 feet of any water supply well.
new text end

new text begin (c) No irrigation with, or impoundment of, undisinfected secondary recycled water
shall take place within 300 feet of any water supply well.
new text end

new text begin (d) The isolation distances specified under paragraphs (a) to (c) are doubled
when the water supply well is a sensitive water supply well under rules adopted by the
commissioner of health.
new text end

new text begin Subd. 2. new text end

new text begin Use area requirements. new text end

new text begin (a) Any use of recycled water shall comply
with the following:
new text end

new text begin (1) any irrigation runoff shall be confined to the recycled water use area, unless the
runoff does not pose a public health threat and is authorized by the commissioner of health;
new text end

new text begin (2) spray, mist, or runoff shall not enter dwellings, designated outdoor eating areas,
or food handling facilities; and
new text end

new text begin (3) drinking water fountains shall be protected against contact with recycled water
spray, mist, or runoff.
new text end

new text begin (b) No spray irrigation of any recycled water, other than disinfected tertiary recycled
water, shall take place within 150 feet of a residence or a place where public exposure
could be similar to that of a park, playground, or school yard.
new text end

new text begin (c) All use areas that are accessible to the public shall be posted with signs that
are visible to the public, in a size no less than four inches high by eight inches wide,
that include the following wording: "RECYCLED WATER - DO NOT DRINK." The
agency may accept alternative signage and wording, or an educational program, provided
the applicant demonstrates to the agency that the alternative approach will ensure an
equivalent degree of public notification.
new text end

new text begin (d) No physical connection shall be made or allowed to exist between any recycled
water system and any separate system conveying potable water.
new text end

new text begin (e) The portions of the recycled water piping system that are in areas subject to
access by the general public shall not include hose bibbs. Only quick couplers that differ
from those used on the potable water system shall be used on the portions of the recycled
water piping system in areas subject to public access.
new text end

new text begin Subd. 3. new text end

new text begin Chemical monitoring. new text end

new text begin A recycling plant must monitor recycled water
for known potential chemical contaminants in excess of limits established by the
commissioner of health.
new text end

Sec. 4.

new text begin [115.87] RECYCLED WATER USE PERMITS.
new text end

new text begin Subdivision 1. new text end

new text begin Permit required. new text end

new text begin The agency may issue, continue in effect, or
deny permits for producing and using recycled water under such conditions as it may
prescribe to prevent water pollution and protect the public health. If the proposed use of
recycled water also requires a permit issued by the Department of Agriculture or Health,
the application for any secondary permit must be processed simultaneously with the
original permit application to the agency.
new text end

new text begin Subd. 2. new text end

new text begin Fees. new text end

new text begin The agency may collect permit fees in amounts not greater than
those necessary to cover the reasonable costs of developing, reviewing, and acting upon
applications for recycled water permits and implementing and enforcing the conditions of
the permits pursuant to agency rules. Permit fees shall not include the costs of litigation.
The fee schedule must reflect reasonable and routine direct and indirect costs associated
with permitting, implementation, and enforcement. The agency may impose an additional
enforcement fee to be collected for a period of up to two years to cover the reasonable
costs of implementing and enforcing the conditions of a permit under the rules of the
agency. Money collected under this subdivision shall be deposited in the environmental
fund and is appropriated to the agency for the purposes specified in this subdivision. The
fees under this subdivision are exempt from section 16A.1285.
new text end

Sec. 5.

new text begin [115.88] RULEMAKING.
new text end

new text begin The agency may adopt rules to implement sections 115.84 to 115.87.
new text end

Sec. 6.

new text begin [115.89] NATURAL SWIMMING PONDS.
new text end

new text begin Section 115.85, subdivision 3, paragraph (b), applies to natural swimming ponds, as
defined under section 144.1222, subdivision 5, using recycled water.
new text end

Sec. 7.

Minnesota Statutes 2010, section 144.1222, subdivision 1, is amended to read:


Subdivision 1.

Public pools.

The commissioner of health shall be responsible
for the adoption of rules and enforcement of applicable laws and rules relating to the
operation, maintenance, design, installation, and construction of public pools new text beginand public
natural swimming ponds
new text endand facilities related to them. The commissioner shall adopt
rules governing the collection of fees under section 144.122 to cover the cost of pool
construction plan review, monitoring, and inspections.

Sec. 8.

Minnesota Statutes 2010, section 144.1222, subdivision 5, is amended to read:


Subd. 5.

new text beginNatural new text endswimming deleted text beginpond exemptiondeleted text endnew text begin pondsnew text end.

deleted text begin (a) A public swimming pond
in existence before January 1, 2008, is not a public pool for purposes of this section and
section 157.16, and is exempt from the requirements for public swimming pools under
Minnesota Rules, chapter 4717.
deleted text end

deleted text begin (b) Notwithstanding paragraph (a),deleted text endnew text begin (a)new text end A public new text beginnatural new text endswimming pond must meet
the requirements for public pools described in subdivisions 1c and 1d.new text begin Section 157.16
applies to public natural swimming ponds. Except as provided in this section and rules
adopted by the commissioner under paragraph (c), a public natural swimming pond must
comply with rules pertaining to public pools when applicable.
new text end

deleted text begin (c)deleted text endnew text begin (b)new text end For purposes of this deleted text beginsubdivisiondeleted text endnew text begin sectionnew text end, a "deleted text beginpublicdeleted text endnew text begin naturalnew text end swimming pond"
means deleted text beginan artificial body of water contained within a lined, sand-bottom basin, intended for
public swimming, relaxation, or recreational use that includes a water circulation system
for maintaining water quality and does not include any portion of a naturally occurring
lake or stream
deleted text endnew text begin a system consisting of a constructed body of water where the water is
contained by an isolating membrane in which no chemicals or devices that disinfect or
sterilize water are used and all clarifying and cleaning of the water is achieved solely with
the motion of the water, naturally or by mechanically assisted means, through biological
filters and plants rooted hydroponically in the system. Natural swimming ponds are also
known as natural swimming pools
new text end.

deleted text begin (d) This subdivision expires June 30, 2011.
deleted text end

new text begin (c) The commissioner shall adopt rules specific to public natural swimming ponds
that address design, water clarity, cleanability, and other issues unique to public natural
swimming ponds when rules for public pools are inapplicable or inappropriate.
new text end