§ 28-02-170. General sewer use requirements.

a.

General prohibitions.

No user shall introduce or cause to be introduced into the POTW any pollutant or wastewater which causes pass through or interference. These general prohibitions apply to all users of the POTW whether or not they are subject to categorical pretreatment standards or any other national, state, or local pretreatment standards or requirements.

b.

Specific prohibitions.

No user shall introduce or cause to be introduced into the POTW the following pollutants, substances, or wastewater:

1.

Pollutants which create a fire or explosive hazard in the POTW, including, but not limited to, wastestreams with a closed-cup flashpoint of less than 140°F (60°C) using the test methods specified in 40 CFR 261.21;

2.

Wastewater having a pH less than 5.5 or more than 9.5, or otherwise causing corrosive structural damage to the POTW or equipment;

3.

Solid or viscous substances in amounts which will cause obstruction of the flow in the POTW resulting in interference but in no case solids greater than one-half (½) inch in any dimension;

4.

Pollutants, including oxygen-demanding pollutants (BOD, etc.), released in a discharge at a flow rate and/or pollutant concentration which, either singly or by interaction with other pollutants, will cause interference with the POTW;

(Code 1960, § 8-9-5; Ord. No. 477, 5-2-72; Ord. No. 491, 2-13-73; Ord. No. 964, §6, 11-14-95)