Local Discharge Limits

PollutantLimit (expressed as a daily maximum in mg/L)
Arsenic0.16
Cadmium0.24
Chromium2.77
Copper3.38
Lead0.81
Mercury0.0035
Nickel2.45
Silver0.43
Zinc2.61
 
Cyanide, total1.20
Total Toxic Organics2.13
 
Oil and Grease (total)100
Oil and Grease (non-polar)100
Oil and Grease (polar)300

Phone:503-742-4567
Fax:503-742-4565

150 Beavercreek Road #430, Oregon City, OR 97045

Office Hours:

Lobby hours
Monday to Thursday
7:30 a.m.–noon and 1–5 p.m.

Phone hours
Monday to Thursday
7:30 a.m.–noon and 1–5 p.m.

Email:
Customer service
wescustomerservice@clackamas.us

Development services and permits
wes-permitservices@clackamas.us

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