Chelsea, OK: 66 Violations - Home Safety Score unavailable
1 ZIP code · 5 water systems · Updated
Data: EPA SDWIS
Chelsea Water: The Quick Version
- Your city's water systems recorded 66 violations since 2021.
- Average of reported 90th-percentile lead results: 0.0043 mg/L.
- Homes built before 1986: 56% - older plumbing may contain lead solder.
- Estimated remediation: $600 per household.
- Health risk index (ZipCheckup composite of CDC data): 14.
Water Systems Serving Chelsea
Among 5 systems linked to Chelsea, OK, the 3 biggest by population served appear below.
Overview
We track home safety data for 1 ZIP code in Chelsea, Oklahoma (population ~5,787), covering 5 community water systems serving approximately 23,794 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 21 health-based violations appear in the available health breakdown.
Water Sources
Chelsea water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0043 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
1 of 1 ZIP records with known zones is in EPA Radon Zone 3.
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 | 34 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 26 | 1 |
| Lead and Copper Rule | Treatment Technique | 12 | 1 |
| Lead and Copper Rule Revisions | Treatment Technique | 12 | 1 |
| Consumer Confidence Rule | Reporting | 6 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 74016 | — | 66 | 21 | Mayes Company Rwd # 5 |
All ZIP Codes in Chelsea
- 74016 - 66 violations ⚠
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 Chelsea
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 Chelsea
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Chelsea's Housing Stock?
With 56% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
By Census estimates, roughly half or more of the homes in Chelsea were built before 1986; the median build year is 1987.
Over half of homes in Chelsea were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Chelsea: Remediation Cost in Perspective
Of the three cost-context tiers - low, moderate and elevated - Chelsea is in the low one.
Estimated remediation costs in Chelsea can be compared with local home values. The $300–$1,500 estimated range can be set against the median property value; actual costs vary by home. Home values are 21% below the Oklahoma average.
Protecting Children from Lead in Chelsea
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 Chelsea
Historical NFIP data for Chelsea contains 1 flood insurance claim. Among claims with payment data, the average reported building, contents, and ICC component sum is $22,000. 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. The $600 remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
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.
Deep Dive Reports
Detailed analysis for Chelsea, OK