Water quality: Commerce and industry permits
Permitting
Individual permits, general permits, and other permitting forms
Compliance assistance and guidance for industrial permits
Compliance forms, annual reports, guidance documents, stormwater management guidance, sampling guidance, low-risk policy and guidance documents
Enforcement
Issued enforcement actions, Clean Water Enforcement Unit
If you have questions, please call:
303-692-3517
303-692-3517
Between 8 a.m. and 5 p.m. Monday to Friday, press 0, and your call will be directed to a live assistant. At other times, please leave a message.
Domestic PELs questions and fees
Michelle DeLaria
303-692-3615
michelle.delaria@state.co.us
Industry-specific contacts
- Aquatic animal production COG130000.
- Commercial washing of outdoor structures COG607000.
- Coal mining process and stormwater combined COG850000.
- Metal mining industry stormwater COR040000.
- Non-contact cooling water COG605000.
- Produced water treatment facilities COG840000.
- Combined COG500000.
- Stormwater only COR340000.
- Subterranean dewatering or well development COG603000.
- Water treatment plant wastewater discharges COG641000.