Mccurtain Municipal Authority
EPA ID: OK3003101 · 560 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Mccurtain Municipal Authority (OK3003101): 2 unresolved EPA violations on record. Not yet resolved: 2 EPA violations at Mccurtain Municipal Authority, affecting about 560 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Mccurtain Municipal Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mccurtain Municipal Authority serves a community with a median household income of $48,003 and an estimated 3,656 residents across its service area. Approximately 54% 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?
Mccurtain Municipal Authority's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
Detected Contaminants
How Mccurtain Municipal Authority compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 30 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 3 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Stage 1 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
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
Mccurtain Municipal Authority (EPA ID: OK3003101) is a community water system in Oklahoma that serves approximately 560 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 5 resolved, 30 archived, 2 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 1, 2025 | Total Trihalomethanes (TTHM) | Health-based | Archived |
| July 1, 2025 | Total Trihalomethanes (TTHM) | Health-based | Archived |
| July 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Archived |
| April 1, 2025 | Total Trihalomethanes (TTHM) | Health-based | Archived |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Addressed (current) |
| October 17, 2024 | Stage 2 DBP Rule | Non-health-based | Addressed (current) |
| July 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Archived |
| April 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Archived |
| January 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Archived |
| October 1, 2023 | Haloacetic Acids (HAA5) | Health-based | Archived |
| July 1, 2023 | Stage 1 DBP Rule | Non-health-based | Resolved |
| July 1, 2023 | Haloacetic Acids (HAA5) | Health-based | Archived |
| July 1, 2023 | Haloacetic Acids (HAA5) | Health-based | Archived |
| April 1, 2023 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| April 1, 2023 | Haloacetic Acids (HAA5) | Health-based | Archived |
| April 1, 2023 | Haloacetic Acids (HAA5) | Health-based | Archived |
| January 1, 2023 | Stage 1 DBP Rule | Non-health-based | Resolved |
| January 1, 2023 | Haloacetic Acids (HAA5) | Health-based | Archived |
| January 1, 2023 | Haloacetic Acids (HAA5) | Health-based | Archived |
| October 1, 2022 | Haloacetic Acids (HAA5) | Health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 30 | Yes |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 3 | Yes |
| Stage 1 DBP Rule | Treatment Failure | 2 | No |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
Health Risk Details
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 →
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 →
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 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 Mccurtain Municipal Authority (OK3003101) on EPA.gov.
Frequently Asked Questions
Is Mccurtain Municipal Authority water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Mccurtain Municipal Authority. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.
How many people does Mccurtain Municipal Authority serve?
Mccurtain Municipal Authority serves approximately 560 people across 2 ZIP codes in Oklahoma.
Where does Mccurtain Municipal Authority get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mccurtain Municipal Authority (OK): 31 Health Violations. https://zipcheckup.com/water-system/ok3003101/
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title = {{Mccurtain Municipal Authority (OK): 31 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok3003101/}
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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
Mccurtain Municipal Authority (EPA ID: OK3003101) - request the latest Consumer Confidence Report or ask about specific contaminants.