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