Water Quality in 80201 — Denver, CO
EPA data for DENVER WATER BOARD
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 80201 in Denver, Colorado is served by DENVER WATER BOARD (EPA ID: CO0116001). This system provides water to approximately 1,287,000 people from surface water sources.
There are 23 community water systems serving this area.
Lead & Copper in Your Water
No Lead & Copper Rule sampling data available for systems serving this ZIP code.
Violation Summary
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| March 1, 2024 | Fecal Coliform | Monitoring | Resolved |
| March 1, 2024 | Fecal Coliform | Monitoring | Resolved |
| March 1, 2024 | Fecal Coliform | Monitoring | Unresolved |
| March 1, 2024 | Fecal Coliform | Monitoring | Resolved |
| January 1, 2024 | Combined Radium | Monitoring | Resolved |
| January 1, 2024 | Combined Radium | Monitoring | Unresolved |
| January 1, 2024 | Combined Radium | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Fecal Coliform | Microbiological | 7 | No |
| Combined Radium | Radionuclides | 3 | No |
Need help with your water quality?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| DENVER WATER BOARD | CO0116001 | 1,287,000 | Surface water |
| CRESTVIEW WSD | CO0101040 | 23,756 | Surface water |
| CHERRY CREEK VALLEY WSD | CO0116175 | 22,000 | Surface water |
| NORTH WASHINGTON STREET WSD | CO0101105 | 14,500 | Surface water |
| ADVENIR FRENCH QUARTER | CO0116104 | 3,447 | Surface water |
What You Can Do
- Review your annual Consumer Confidence Report (CCR) — Your utility publishes this each July
- Test your home’s water — Especially if you have older plumbing (pre-1986) that may contain lead
- Stay informed — Bookmark this page to check for updates on your water quality
Need help with water testing or filtration?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Other Water Quality Reports in Colorado
- 80001 (Arvada) — 16 violations
- 80010 (Aurora) — 14 violations
- 80020 (Broomfield)
- 80022 (Commerce City)
- 80026 (Lafayette) — 19 violations
- 80027 (Louisville)
- 80030 (Westminster) — 67 violations
- 80033 (Wheat Ridge) — 1 violation
- 80101 (Agate) — 124 violations
- 80102 (Bennett) — 11 violations
- 80103 (Byers) — 1 violation
- 80104 (Castle Rock) — 30 violations
- 80110 (Englewood) — 9 violations
- 80120 (Littleton)
- 80134 (Parker) — 22 violations
- 80301 (Boulder) — 17 violations
- 80401 (Golden) — 2 violations
- 80437 (Evergreen) — 148 violations
- 80477 (Steamboat Springs) — 141 violations
- 80497 (Silverthorne) — 6 violations
Nearby Water Quality Reports
- 80010 (Aurora) — <1 mi — 14 violations
- 80022 (Commerce City) — 7 mi
- 80110 (Englewood) — 10 mi — 9 violations
- 80120 (Littleton) — 12 mi
- 80030 (Westminster) — 12 mi — 67 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for DENVER WATER BOARD (CO0116001) on EPA.gov.
Frequently Asked Questions
Is the tap water in 80201 safe to drink?
Based on EPA records, the water system serving ZIP code 80201 has only monitoring/reporting violations, which are procedural in nature. However, individual home conditions (old pipes, well water) can affect quality.
Where does 80201’s water come from?
The primary water source for this area is surface water. DENVER WATER BOARD serves approximately 1,287,000 people.
How can I get my water tested?
Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.
Does 80201 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 80201. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 80201?
Radon zone data is not available for ZIP code 80201. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.