Clean water

10-year water quality roadmap

Timeline, stakeholder information, meeting dates.

401 certification

Information, application.


Clean water fees

Discharge permit fees.

Clean Water permits

Permits Section web page.

Dredge and Fill 


Enforcement actions, Clean Water Enforcement Unit, drinking water enforcement orders, policies, more information.

Facility design approval

Wastewater design approval, types of water pollution control review, other types of wastewater and drinking water reviews.

GIS maps

Data, maps, resources.


Sign up for stakeholder group, presentations.

Groundwater program

Groundwater permits.

Inspection services

Biosolids inspections, commerce and industry inspections, domestic wastewater inspections.


Abandoned mine water quality study, mining impacted streams task force, Animas River spill.

Nonpoint source pollution management

Funding, program documents, planning, project management, monitoring and assessment, outreach, Regulation 85.


Nutrient management control regulations,incentive program, work group activities, monitoring.

On-site wastewater treatment

Treatment information based on gallons, On-Site Treatment System Act.


Pesticides permits.

Rivers, lakes and streams

Nutrient monitoring, river, stream and lake monitoring, temperature monitoring, surface water assessment, impaired water, data, measurable results program.

Swim beach monitoring

Information on natural swimming areas, swim beach monitoring and closures.

Total Maximum Daily Load (TMDL)

Development, implementation, public notices, river basins TMDL documents.

Water quality planning

Regional 208 Planning, Statewide Water Quality Management Plan, Watershed 319.

Water quality standards

Water quality standards regulations, public hearing information, discharger-specific variances, site-specific standards, use-attainability analysis, temporary modifications, and other resources.