Page last updated on April 13, 2026 at 1:57 pm
Permit Application
Federal, state, and local pretreatment requirements establish rules for industrial users discharging to the publicly owned treatment works (POTW) which includes all components of the sanitary system and wastewater treatment plant. In some instances, industrial, non-residential, users must obtain a permit to discharge wastewater to the POTW.
To request a permit application please contact CBU's Pretreatment Coordinator at 812-349-3946.
Local Limits
Local Limits are limits specific to the City of Bloomington Utilities and are in effect for industrial, non-residential, customers. No user shall discharge wastewater containing in excess of the following daily maximum allowable discharge limits:
| Parameter | Daily Limit (mg/l) |
|---|---|
| Arsenic | 0.24 |
| Cadmium | 0.035 |
| Chromium | 1.43 |
| Copper | 0.846 |
| Lead | 0.24 |
| Mercury | 0.0051 |
| Nickel | 1.91 |
| Selenium | 0.069 |
| Silver | 0.17 |
| Zinc | 1.34 |
| Benzene | 0.050 |
| BTEX (Benzene, Ethylbenzene, Toluene, and Xylenes) | 0.750 |