Chico Municipal Code Ch. 15R.40 Sewer Discharge Requirements

Section:

15R.40.010 Specific pollutant - Local limitations.

Industrial discharge into the city’s sewer system shall not exceed the specific pollutant limitations pursuant to Section 15.40.060 of this code. The specific pollutant limitations are as follows:

A. For Industrial Wastewater Dischargers Connected to the City Sewer System Prior to 9/1/98

Local Limitations, Monthly Maximum (milligrams per liter):

Parameter :	Concentration :
Benzene	0.13
Carbondisulfide	0.06
Chloroethane (ethylchloride)	0.42
Chloroform	0.42
Chloromethane	0.007
1,2-Dichorobenzene	3.74
1,3-Dichorobenzene	18.20
1,4-Dichorobenzene	3.54
Dichloromethane(methylene chloride)	4.15
Ethylbenzene	1.59
Hexachloroethane	0.96
Tetrachloroethylene	0.53
Tolulene	1.35
BOD	To be determined by the public works director
TSS	To be determined by the public works director
Antimony	7.043
Arsenic (daily max.)	0.266
Beryllium	2.2
Cadmium	0.17
Chromium (total)	1.71
Mercury	0.017
Nickel	1.19
Selenium	0.05
Cyanide (daily max.)	0.290

Discharger Specific Limitations, Monthly Maximum (milligrams per liter):

Permit Holder	Copper	Lead	Silver	Zinc (daily max.)
Lares Research	2.07	0.43	0.24	2.61
Prisma Power Coating	2.07	0.43	0.24	2.61
2nd Operations	2.6	1.55	1.74	3.03
Valley Industrial Coating	2.07	0.43	0.24	2.61
Enloe Hospital	2.6	1.55	1.74	3.03
Lifetouch	2.6	1.55	1.74	3.03
Mooney Farms	2.6	1.55	1.74	3.03
Sierra Nevada Brewery	2.6	1.55	1.74	3.03
Mission Industries	2.6	1.55	1.74	3.03
Wrex Products	0.42	0.39	1.74	1.14
CSU Chico	2.07	0.43	0.24	2.61

B. Industrial Wastewater Dischargers Connected to the City Sewer System On or After 9/1/98

Local Limitations, Monthly Maximum (milligrams per liter):

Parameter :	Concentration :
Benzene	0.13
Carbondisulfide	0.06
Chloroethane (ethylchloride)	0.42
Chloroform	0.42
Chloromethane	0.007
1,2-Dichorobenzene	3.74
1,3-Dichorobenzene	18.20
1,4-Dichorobenzene	3.54
Dichloromethane (methylene chloride)	4.15
Ethylbenzene	1.59
Hexachloroethane	0.96
Tetrachloroethylene	0.53
Tolulene	1.35
BOD	To be determined by the public works director
TSS	To be determined by the public works director
Antimony	7.043
Arsenic	0.266
Beryllium	0.681
Cadmium	0.038
Chromium (total)	0.360
Copper	0.638
Lead	0.389
Mercury	0.017
Nickel	0.259
Selenium	0.053
Silver	0.349
Zinc	0.776
Cyanide	0.290

(Res. No. 85 98-99, Res. No. 113-07, Res. 19-13)