Rock Springs, WY: 3 Violations - Home Safety 66/100
2 ZIP codes · 5 water systems · Updated
ZipCheckup grade for Rock Springs: C.
A mixed picture - some signals here are worth your attention.
The C shown for Rock Springs, WY is an average of Home Safety Scores across the city's ZIP codes; that composite blends several data sources, so it can move for reasons unrelated to water, and it is not a measurement of what comes out of any tap in the city.
How Rock Springs Compares
Data: EPA SDWIS
Rock Springs Water: The Quick Version
- Your city's water systems recorded 3 violations since 2021.
- Average of reported 90th-percentile lead results: 0.014 mg/L.
- Health risk index (ZipCheckup composite of CDC data): 12.69.
Water Systems Serving Rock Springs
Counting every public water system linked to Rock Springs, WY in federal data gives 5. The list below keeps the 3 largest by reported population served, a figure that covers each system's whole service area rather than the city alone. A household's own supplier is named on its water bill.
- C
- C
- C
Overview
We track home safety data for 2 ZIP codes in Rock Springs, Wyoming, covering 5 community water systems serving approximately 27,471 people. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Rock Springs: C (66/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Rock Springs water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0140 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
2 of 2 ZIP records with known zones are in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 2 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | 1 |
| Lead and Copper Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 82901 | C | 3 | 0 | City of Rock Springs, |
All ZIP Codes in Rock Springs
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
CDC Health Data for Rock Springs
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Key Contaminants Detected in Rock Springs
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Protecting Children from Lead in Rock Springs
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Rock Springs
Historical NFIP data for Rock Springs contains 20 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $148,942. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
What You Can Do in Rock Springs
- Test your water at home. City-level data shows averages - your tap may differ. Consider testing your home's tap water for lead, since household plumbing can affect its level.
- Install a certified water filter. For Haloacetic Acids (HAA5), listed in the water-quality records for Rock Springs: if it is a rule or reporting requirement rather than a contaminant, ask your utility what the record involved; for bacteria, follow any boil-water notice from your utility; for a specific chemical contaminant, check whether a filter is certified to reduce it. Not every contaminant has a consumer filter certification.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Rock Springs, WY