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 in the past 5 years.
- Average lead level: 0.0043 mg/L.
- Homes built before 1986: 56% - older plumbing may contain lead solder.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 14 - above typical levels.
Water Systems Serving Chelsea
With 3 utilities splitting service in Chelsea, OK, water accountability is distributed across 5 systems on the federal record.
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 lead level (90th percentile): 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
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 34 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 26 | 1 |
| Stage 1 DBP Rule | Treatment Technique | 12 | 1 |
| Stage 2 DBP Rule | Treatment Technique | 12 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 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). Water contamination can correlate with respiratory and chronic health conditions.
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. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Plumbing risk in older housing is defined by two eras: the pre-1970 period when lead pipes were commonly used for service lines, and the 1970-to-1986 period when lead solder remained standard in copper plumbing until the federal ban. Chelsea's median build year of 1987 lands in a range where both eras are heavily represented in the housing stock. That creates an elevated aggregate environment for plumbing-related lead exposure - one that city-level water quality averages don't capture, because the risk sits inside individual properties rather than in the distribution system.
Over half of homes in Chelsea were built before 1986, when lead solder was banned. 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
How does remediation fit within the broader financial picture for Chelsea homeowners? The equity share is moderate - large enough that treating it as a real planning consideration makes sense, and manageable enough that most homeowners have a clear path to addressing documented water and safety issues when they approach the commitment with deliberate advance budgeting rather than as an unplanned expense.
Remediation costs are moderate relative to home values in Chelsea. The estimated $1,200–$2,500 range is manageable for most homeowners but still worth budgeting for. Home values are 21% below the Oklahoma average.
Protecting Children from Lead in Chelsea
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Older interior plumbing shapes the local picture: 56% of Chelsea homes predate the federal solder ban, and aggregate sampling either approaches or crosses the action benchmark. That mix makes a single-home draw a standard pre-purchase or pre-occupancy step.
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 <strong>$1,800</strong> 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