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| Pollutant | Limit (expressed as a daily maximum in mg/L) |
|---|---|
| Arsenic | 0.16 |
| Cadmium | 0.24 |
| Chromium | 2.77 |
| Copper | 3.38 |
| Lead | 0.81 |
| Mercury | 0.0035 |
| Nickel | 2.45 |
| Silver | 0.43 |
| Zinc | 2.61 |
| Cyanide, total | 1.20 |
| Total Toxic Organics | 2.13 |
| Oil and Grease (total) | 100 |
| Oil and Grease (non-polar) | 100 |
| Oil and Grease (polar) | 300 |
Local Discharge Limits
Phone:503-742-4567
Fax:503-742-4565
150 Beavercreek Road #430, Oregon City, OR 97045
Office Hours:
Monday - Thursday
7:30 a.m. – 5 p.m.
Closed on the lunch hour 12 p.m. – 1 p.m.
Email:
Customer service
wescustomerservice@clackamas.us
Development services and permits
wes-permitservices@clackamas.us
Water Environment Services
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