Calera, OK: 77 Violations - Home Safety Score unavailable
1 ZIP code · 4 water systems · Updated
Data: EPA SDWIS
Key Facts for Calera Residents
- Your city's water systems recorded 77 violations since 2021.
- Average of reported 90th-percentile lead results: 0.0044 mg/L.
- Homes built before 1986: 31% - older plumbing may contain lead solder.
- Estimated remediation: $1,100 per household.
- Health risk index (ZipCheckup composite of CDC data): 15.11.
Calera's Water Providers
Service in Calera, OK can differ by address: 4 water systems are tied to the area in federal records, and the 3 largest are listed with their violation records.
Overview
We track home safety data for 1 ZIP code in Calera, Oklahoma (population ~5,790), covering 4 community water systems serving approximately 19,722 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. 43 health-based violations appear in the available health breakdown.
Water Sources
Calera water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0044 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 | 50 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 30 | 1 |
| Revised Total Coliform Rule | Microbiological | 24 | 1 |
| Chlorine | Disinfectant | 24 | 1 |
| Asbestos | Inorganic | 8 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 74730 | — | 77 | 43 | Bryan County Rural Water District #5 |
All ZIP Codes in Calera
- 74730 - 77 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.
Calera Community Health Snapshot
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
What's in Calera's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Calera Infrastructure Age
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
When a home in Calera was built matters for lead because federal rules adopted in 1986 limited how much lead new plumbing could contain; the local median build year is 1990. A median sits in the middle of a range, so some homes are older and some newer, and past repairs may have changed the pipes in either group. A plumber can identify the materials inside a home, and a lab test measures what reaches the tap.
Most homes in Calera were built after 1986; lead exposure at a tap still depends on its service line and plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Calera
This section sets two area figures side by side for Calera: the median home value and an estimated remediation cost. Here the estimate equals no more than 1% of that value, which places the city in the low tier; it is an area estimate, and the cost for any one property can be higher or lower.
Estimated remediation costs in Calera can be compared with local home values. The $600–$2,300 estimated range can be set against the median property value; actual costs vary by home. Home values are 16% above the Oklahoma average.
Calera: Lead Risk & Vulnerable Populations
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.
Deep Dive Reports
Detailed analysis for Calera, OK