Water Quality in 80511 — Estes Park, CO
EPA data for ESTES PARK TOWN OF
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 80511 in Estes Park, Colorado is served by ESTES PARK TOWN OF (EPA ID: CO0135257). This system provides water to approximately 16,722 people from surface water sources.
There are 5 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 |
|---|---|---|---|
| October 1, 2025 | Stage 1 DBP Rule | Monitoring | Resolved |
| April 1, 2025 | Stage 1 DBP Rule | Monitoring | Resolved |
| April 1, 2025 | Stage 1 DBP Rule | Monitoring | Resolved |
| April 1, 2025 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| April 1, 2025 | Total Trihalomethanes (TTHM) | Monitoring | Unresolved |
| January 1, 2025 | Stage 1 DBP Rule | Monitoring | Resolved |
| January 1, 2025 | Stage 1 DBP Rule | Monitoring | Resolved |
| December 1, 2024 | E. coli | Monitoring | Resolved |
| December 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| October 22, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Resolved |
| October 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| July 22, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| July 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| July 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| July 1, 2024 | Haloacetic Acids (HAA5) | Monitoring | Resolved |
| July 1, 2024 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| July 1, 2024 | Haloacetic Acids (HAA5) | Monitoring | Resolved |
| July 1, 2024 | Total Trihalomethanes (TTHM) | 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 |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 23 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 23 | Yes |
| Stage 1 DBP Rule | Treatment Technique | 15 | No |
| E. coli | Microbiological | 12 | Yes |
| Lead and Copper Rule | Treatment Technique | 9 | No |
| Revised Total Coliform Rule | Microbiological | 7 | No |
| Consumer Confidence Report Rule | Reporting | 5 | No |
| Fecal Coliform | Microbiological | 2 | No |
| Stage 2 DBP Rule | Treatment Technique | 2 | No |
| Barium | Inorganic | 1 | No |
| Cadmium | Inorganic | 1 | No |
| Chromium | Inorganic | 1 | No |
| Fluoride | Inorganic | 1 | No |
| Nitrite | Inorganic | 1 | No |
| Contaminant 1036 | Other | 1 | 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 |
|---|---|---|---|
| ESTES PARK TOWN OF | CO0135257 | 16,722 | Surface water |
| YMCA ROCKIES WIND RIVER | CO0135883 | 3,730 | Surface water |
| RMNP HEADQUARTERS EAST | CO0135685 | 900 | Groundwater |
| WINDCLIFF POA | CO0135001 | 337 | Surface water |
| ANNUNCIATION HEIGHTS | CO0235185 | 260 | Groundwater |
What You Can Do
- Request your water system’s Consumer Confidence Report (CCR) — Your utility is required to publish this annually
- Consider a home water test — Independent testing can reveal issues in your specific plumbing
- Install a certified water filter — NSF-certified filters can address specific contaminants
- Contact your water provider — Ask about current treatment and any ongoing remediation
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
- 80201 (Denver) — 10 violations
- 80301 (Boulder) — 17 violations
- 80401 (Golden) — 2 violations
- 80437 (Evergreen) — 148 violations
- 80477 (Steamboat Springs) — 141 violations
Nearby Water Quality Reports
- 80521 (Fort Collins) — 25 mi — 35 violations
- 80537 (Loveland) — 30 mi — 5 violations
- 80550 (Windsor) — 37 mi — 20 violations
- 80501 (Longmont) — 40 mi — 4 violations
- 80301 (Boulder) — 44 mi — 17 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for ESTES PARK TOWN OF (CO0135257) on EPA.gov.
Frequently Asked Questions
Is the tap water in 80511 safe to drink?
Estes Park’s water system has recorded 9 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
Where does 80511’s water come from?
The primary water source for this area is surface water. ESTES PARK TOWN OF serves approximately 16,722 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 80511 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 80511. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 80511?
Radon zone data is not available for ZIP code 80511. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.