Calera Pwa
EPA ID: OK2000702 · 2,815 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Calera Pwa (OK2000702): 33 past health-based violations, since resolved. Five years tracked: Calera Pwa had 42 violations, all cleared, 2,815 served.
Data: EPA SDWIS
Service Area Map
Coverage area for Calera Pwa Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Calera Pwa serves a community with a median household income of $57,766 and an estimated 32,338 residents across its service area. Approximately 41% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Calera Pwa's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Detected Contaminants
How Calera Pwa compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 15 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Total Trihalomethanes (TTHM) at 19 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Consumer Confidence Report Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 3 presence exceeds the EPA maximum of presence.
Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 2 detections recorded.
Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
Similar-sized systems in Oklahoma
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Calera Pwa (EPA ID: OK2000702) is a community water system in Oklahoma that serves approximately 2,815 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 42 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Non-health-based | Resolved |
| August 1, 2023 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| July 1, 2023 | Revised Total Coliform Rule | Non-health-based | Resolved |
| July 1, 2023 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| July 1, 2023 | Revised Total Coliform Rule | Non-health-based | Resolved |
| June 1, 2023 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| April 1, 2023 | Total Trihalomethanes (TTHM) | Health-based | Resolved |
| April 1, 2023 | Total Trihalomethanes (TTHM) | Health-based | Resolved |
| April 1, 2023 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 1, 2023 | Total Trihalomethanes (TTHM) | Health-based | Resolved |
| January 1, 2023 | Total Trihalomethanes (TTHM) | Health-based | Resolved |
| January 1, 2023 | Haloacetic Acids (HAA5) | Health-based | Resolved |
| January 1, 2023 | Haloacetic Acids (HAA5) | Health-based | Resolved |
| October 1, 2022 | Total Trihalomethanes (TTHM) | Health-based | Resolved |
| October 1, 2022 | Total Trihalomethanes (TTHM) | Health-based | Resolved |
| October 1, 2022 | Haloacetic Acids (HAA5) | Health-based | Resolved |
| October 1, 2022 | Haloacetic Acids (HAA5) | Health-based | Resolved |
| September 29, 2022 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| September 29, 2022 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 19 | Yes |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 15 | Yes |
| Consumer Confidence Report Rule | Reporting Failure | 3 | No |
| Revised Total Coliform Rule | Microbiological | 3 | No |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
Health Risk Details
Total Trihalomethanes (TTHM) (EPA limit: 0.08 mg/L)
Bladder & rectal cancer risk; reproductive concerns At-risk groups: pregnant women, long-term consumers of chlorinated water, people who frequently shower in chlorinated water.
Removal methods: granular activated carbon (GAC), carbon block filter, point-of-entry aeration. Find the right filter →
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Cancer risk; reproductive & developmental effects At-risk groups: pregnant women, infants, long-term consumers of chlorinated municipal water.
Removal methods: granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.000826 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by OK or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Calera Pwa (OK2000702) on EPA.gov.
Frequently Asked Questions
Is Calera Pwa water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Calera Pwa; its 42 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Calera Pwa serve?
Calera Pwa serves approximately 2,815 people across 2 ZIP codes in Oklahoma.
Where does Calera Pwa get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Calera Pwa (OK): 33 Health Violations. https://zipcheckup.com/water-system/ok2000702/
@misc{zipcheckup-water-system-ok2000702,
author = {{ZipCheckup}},
title = {{Calera Pwa (OK): 33 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok2000702/}
}
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Calera Pwa (EPA ID: OK2000702) - request the latest Consumer Confidence Report or ask about specific contaminants.