Water Quality in 82601 — Casper, WY
EPA data for CASPER, CITY OF
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 82601 in Casper, Wyoming is served by CASPER, CITY OF (EPA ID: WY5601415). This system provides water to approximately 59,000 people from surface water sources.
There are 18 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 |
|---|---|---|---|
| July 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| July 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| April 1, 2024 | E. coli | Monitoring | Resolved |
| April 1, 2024 | E. coli | 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 | 4 | No |
| Surface Water Treatment Rule | Treatment Technique | 2 | No |
| Stage 1 DBP Rule | Treatment Technique | 2 | No |
| E. coli | Microbiological | 2 | 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 |
|---|---|---|---|
| CASPER, CITY OF | WY5601415 | 59,000 | Surface water |
| EVANSVILLE, TOWN OF | WY5600018 | 2,728 | Surface water |
| VISTA WEST WATER COMPANY | WY5600069 | 1,600 | Surface water |
| PIONEER WATER & SEWER DISTRICT | WY5600828 | 1,500 | Surface water |
| NATRONA COUNTY INT’L AIRPORT | WY5600079 | 375 | 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 Wyoming
- 82001 (Cheyenne) — 13 violations
- 82050 (Albin) — 66 violations
- 82053 (Burns) — 63 violations
- 82054 (Carpenter) — 1 violation
- 82055 (Centennial) — 8 violations
- 82070 (Laramie) — 58 violations
- 82082 (Pine Bluffs) — 235 violations
- 82083 (Rock River) — 2 violations
- 82190 (Yellowstone National Park) — 3 violations
- 82201 (Wheatland) — 18 violations
- 82210 (Chugwater) — 5 violations
- 82212 (Fort Laramie) — 2 violations
- 82213 (Glendo) — 19 violations
- 82214 (Guernsey) — 5 violations
- 82215 (Hartville)
- 82222 (Lance Creek) — 92 violations
- 82223 (Lingle) — 3 violations
- 82225 (Lusk) — 56 violations
- 82227 (Manville) — 7 violations
- 82240 (Torrington) — 3 violations
Nearby Water Quality Reports
- 82213 (Glendo) — 71 mi — 19 violations
- 82322 (Bairoil) — 76 mi — 24 violations
- 82083 (Rock River) — 78 mi — 2 violations
- 82324 (Elk Mountain) — 80 mi — 30 violations
- 82310 (Jeffrey City) — 82 mi — 79 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for CASPER, CITY OF (WY5601415) on EPA.gov.
Frequently Asked Questions
Is the tap water in 82601 safe to drink?
Based on EPA records, the water system serving ZIP code 82601 has only monitoring/reporting violations, which are procedural in nature. However, individual home conditions (old pipes, well water) can affect quality.
Where does 82601’s water come from?
The primary water source for this area is surface water. CASPER, CITY OF serves approximately 59,000 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 82601 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 82601. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 82601?
Radon zone data is not available for ZIP code 82601. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.