§ 1790-070. CONDITIONALLY ALLOWED NON-STORMWATER DISCHARGES

The following non-stormwater discharges to the County storm drain system or natural surface waters are conditionally allowed except as noted in Section 1790-080:

(a)

Any discharge regulated under a NPDES permit, waiver, or waste discharge order issued to the discharger and administered by the State of California under the authority of the Federal Environmental Protection Agency or under State authority, provided the discharger is in full compliance with all requirements of the permit, waiver, or order and other applicable laws and regulations, and provided that written approval has been granted by the County of Sutter for any discharge to the storm drain system.

(b)

The discharge of water containing pollutants that has been reduced to the maximum extent practicable by the application of best management practices or other management measures set forth in the County's Stormwater Management Program.

(c)

A discharge from any of the following activities, unless the Director determines the discharge causes or significantly contributes to violations of the Clean Water Act, Porter-Cologne Act, or this Chapter, or conveys significant quantities or concentrations of pollutants to the County storm drain system, natural surface waters, or watercourses:

(1)

Water line flushing;

(2)

Landscape irrigation;

(3)

Diverted stream flows;

(4)

Rising groundwater;

(5)

Uncontaminated ground water infiltration [as defined in 40 CFR 35.2005 (20)];

(6)

Uncontaminated pumped ground water;

(7)

Discharges from potable water sources;

(8)

Foundation drains;

(9)

Air conditioning condensate;

(10)

Irrigation water;

(11)

Water from natural springs;

(12)

Water from crawl space pumps;

(13)

Footing drains;

(14)

Lawn watering;

(15)

Individual residential car washing;

(16)

Flows from riparian habitats and wetlands;

(17)

De-chlorinated swimming pool discharges; or

(18)

Discharges of flows from emergency fire fighting activities.

(d)

Any discharges that the Director or the Regional Water Quality Control Board determines in writing are necessary for the protection of public health and safety.

(e)

With written concurrence of the Regional Board, the Director may exempt in writing additional categories of non-stormwater discharges determined not to be sources of pollutants to the County of Sutter storm drain system or natural surface waters.