§ 50.42 LIMITED DISCHARGES.
   All sewage service customers are prohibited to discharge the following substances above the indicated concentrations at any time.
Substance
Concentration (milligrams per liter)
Substance
Concentration (milligrams per liter)
Ammonia nitrogen
25.00
Arsenic
0.020
Cadmium
0.030
Copper
0.300
Cyanide
0.050
Mercury
0.002
Nickel
0.200
Silver
0.040
Total chromium
0.010
Total nitrogen
40.00
Total phosphorous
10.00
Zinc
0.300
 
(Prior Code, § 50.32) (Ord. passed 10-6-1980) Penalty, see § 50.99