§ 20-85. Discharge prohibitions.

(a)

Prohibition of illegal discharges. Unless expressly authorized or exempted by this article, no person shall throw, drain, or otherwise discharge, cause, or allow others under their control to throw, drain, or otherwise discharge into the municipal storm drain system (MS4) any pollutants or waters containing any pollutants, other than stormwater.

(1)

Exemptions. The following nonstormwater sources may be discharged to the municipal storm drain system provided that they have not been determined by the director of public works to be a substantial source of pollutants to the MS4 system:

a.

Water line flushing,

b.

Landscaping irrigation,

c.

Diverted stream flows,

d.

Rising groundwater,

e.

Uncontaminated groundwater infiltration (as defined in 40 CFR 35.2005(20)),

f.

Uncontaminated pumped groundwater,

g.

Incidental discharges of potable water (e.g. drinking fountain overflows),

h.

Fountain drains,

i.

Air conditioning condensate,

j.

Irrigation water,

k.

Springs,

l.

Water from crawl space pumps,

m.

Footing drains,

n.

Lawn watering runoff,

o.

Water from individual residential car washing,

p.

Flows from riparian habitats and wetlands,

q.

De-chlorinated swimming pool discharges,

r.

Residential street wash water,

s.

Discharges or flows from firefighting activities (excludes predictable and controllable discharges from firefighting training facility); and

t.

Other similar occasional incidental discharges (e.g. noncommercial or charity car washes) where such discharged will not cause a problem either due to the nature of the discharge or controls the parish places on the discharge.

(2)

Discharges authorized by a separate LPDES general stormwater permit.

(3)

No person shall discharge to the public storm drain system any exempted discharge under this subsection if the director or assigned designee identifies and provides written notice to the person that the discharge has the potential; to be a source of pollutants to receiving waters, waterways, or groundwater.

(4)

Dye testing is an allowable discharge, but requires a verbal notification to the director prior to the time of the test.

(5)

Discharges specified in writing by the director as being necessary to protect public health and safety.

(b)

Prohibition of illicit connections.

(1)

The construction, connection, use, maintenance or continues existence of any illegal connection to the municipal storm drain system (MS4) is prohibited.

(2)

This prohibition is retroactive and shall apply to any connection that was made in the past, regardless of whether it was made under permit or other authorization or whether it was permissible under the law or law practices applicable or prevailing at the time of the connection.

(3)

A person is considered to be in violation of this article if the person connects a line conveying sanitary sewage, domestic or industrial, to the MS4, or allows such a connection to continue unless the discharge is authorized by a LPDES discharge permit issued by the state.

(Ord. No. 992, § 5, 1-5-2010)