Oakland Pwa
EPA ID: OK3004513 · 1,050 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Oakland Pwa (OK3004513): 2 violations recorded with unresolved status in the SDWIS data used. Open violations at Oakland Pwa number 2 in the EPA compliance data, for a system that serves about 1,050 people. An open status describes how each violation is logged in the federal record; it is not a measurement of what comes out of any individual tap.
Data: EPA SDWIS
Service Area Map
Coverage area for Oakland Pwa Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Oakland Pwa have a median household income of $57,958 and about 8,414 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 64% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 100% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). 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?
Oakland Pwa'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
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
Oakland Pwa (EPA ID: OK3004513) is a community water system in Oklahoma that serves approximately 1,050 people from surface water sources.
This system serves ZIP code 73446 in Madill.
Violation History
Status breakdown for accepted records with record years 2021-2026: 2 resolved, 9 archived, 0 addressed, and 2 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 Haloacetic Acids (HAA5) | Health-based | Archived |
| October 1, 2025 | TTHM | Health-based | Archived |
| July 1, 2025 | Total Haloacetic Acids (HAA5) | Health-based | Archived |
| July 1, 2025 | Total Haloacetic Acids (HAA5) | Health-based | Archived |
| July 1, 2025 | TTHM | Health-based | Archived |
| April 1, 2025 | Total Haloacetic Acids (HAA5) | Health-based | Archived |
| April 1, 2025 | TTHM | Health-based | Archived |
| January 1, 2025 | TTHM | Health-based | Archived |
| October 17, 2024 | LEAD AND COPPER RULE REVISIONS | Health-based | Unaddressed (current) |
| October 17, 2024 | LEAD AND COPPER RULE REVISIONS | Non-health-based | Unaddressed (current) |
| October 1, 2024 | TTHM | Health-based | Archived |
| August 1, 2024 | Chlorine | Non-health-based | Resolved |
| August 1, 2024 | Revised Total Coliform Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| TTHM | MCL Violation | 5 | Yes |
| Total Haloacetic Acids (HAA5) | MCL Violation | 4 | Yes |
| LEAD AND COPPER RULE REVISIONS | Treatment Technique, Monitoring & Reporting | 2 | Yes |
| Chlorine | Monitoring & Reporting | 1 | No |
| Chlorine | Monitoring & Reporting | 1 | No |
Health Risk Details
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Increased risk of cancer
Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →
Total Trihalomethanes (TTHM) (EPA limit: 0.08 mg/L)
Long-term exposure is associated with increased cancer risk, including bladder cancer; possible reproductive effects At-risk groups: pregnant women, long-term consumers of chlorinated water.
Treatment options (verify a product is certified to reduce this contaminant): 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 |
|---|---|---|
| 0.0015 mg/L | No | 2023-12-31 |
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 73446 - Madill
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Oakland Pwa (OK3004513) on EPA.gov.
Frequently Asked Questions
Is Oakland Pwa water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Oakland Pwa. 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 Oakland Pwa serve?
Oakland Pwa serves approximately 1,050 people across 1 ZIP code in Oklahoma.
Where does Oakland Pwa get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Oakland Pwa (OK): 10 Health Violations. https://zipcheckup.com/water-system/ok3004513/
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author = {{ZipCheckup}},
title = {{Oakland Pwa (OK): 10 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok3004513/}
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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
Oakland Pwa (EPA ID: OK3004513) - request the latest Consumer Confidence Report or ask about specific contaminants.