A.Â
No person in the municipality shall allow, or cause to allow, stormwater discharges into the municipality's separate storm sewer system which are not composed entirely of stormwater, except as provided in Subsection B below, and discharges allowed under a state or federal permit.
B.Â
Discharges which may be allowed, based on a finding
by the municipality that the discharge(s) do not significantly contribute
to pollution to surface waters of the commonwealth, are:
Discharges from fire-fighting activities
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Potable water sources including dechlorinated
water line and fire hydrant flushings
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Irrigation drainage
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Routine external building washdown (which does
not use detergents or other compounds)
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Air conditioning condensate Water from individual
residential car washing
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Springs
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Water from crawl space pumps
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Uncontaminated water from foundation or from
footing drains
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Flows from riparian habitats and wetlands
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Lawn watering
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Pavement washwaters where spills or leaks of
toxic or hazardous materials have not occurred (unless all spill material
has been removed) and where detergents are not used
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Dechlorinated swimming pool discharges
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Uncontaminated groundwater
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C.Â
In the event that the municipality determines that any of the discharges identified in Subsection B significantly contribute to pollution of waters of the commonwealth, or is so notified by DEP, the municipality will notify the responsible person to cease the discharge.
D.Â
Upon notice provided by the municipality under Subsection C, the discharger will have a reasonable time, as determined by the municipality, to cease the discharge, consistent with the degree of pollution caused by the discharge.
E.Â
Nothing in this section shall affect a discharger's
responsibilities under state law.
The following connections are prohibited, except as provided in § 94-30B above:
A.Â
Any drain or conveyance, whether on the surface or
subsurface, which allows any non-stormwater discharge, including sewage,
process wastewater, and wash water, to enter the separate storm sewer
system, and any connections to the storm drain system from indoor
drains and sinks; and
B.Â
Any drain or conveyance connected from a commercial
or industrial land use to the separate storm sewer system which has
not been documented in plans, maps, or equivalent records, and approved
by the municipality.
A.Â
Roof drains shall not be connected to streets, sanitary or storm sewers or roadside ditches, except as provided in Subsection B.
B.Â
When it is more advantageous to connect directly to
streets or storm sewers, connections of roof drains to streets or
roadside ditches may be permitted by the municipality.
C.Â
Roof drains shall discharge to infiltration areas
or vegetative BMPs to the maximum extent practicable.
A.Â
No person shall modify, remove, fill, landscape or
alter any existing stormwater BMP, unless it is part of an approved
maintenance program, without the written approval of the municipality.
B.Â
No person shall place any structure, fill, landscaping
or vegetation into a stormwater BMP or within a drainage easement
which would limit or alter the functioning of the BMP, without the
written approval of the municipality.