Health Violations Found

Muskogee, OK (74401): 142 Health-Based Violations Recorded for Mapped Water Systems

EPA data combined for 7 water systems mapped to this ZIP (largest mapped system: Muskogee Municipal Authority)

Health Violations Found

Health-based violation records by water system:

EPA records for the water systems mapped to 74401 in Muskogee, OK contain 182 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 142 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score N/A
Water Quality Issues 142 health-based violation records
Lead Risk Moderate 0.0054 mg/L, 90th percentile, sample period ending 2025-12-31
NFIP Claim History Claim records 5 claims
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 142 health-based violations and 40 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0054 mg/L is below the EPA action level, but EPA's health goal for lead is zero; filtration is advisable.
  • Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
  • Flood 5 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
Contaminant Summary
Health Violations
182 violations 142 health-based 2 risks identified
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record
7
Water Systems
38,310
People Served
142
Health Violations (since 2021)Median is 0
Surface water
Water Source
0.0054 mg/L
Reported Lead Result2.3× the national median for this measure
Zone 3
County Radon Potential · Low
$122K
Median Home ValueState median: $129K

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Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
0/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

Drinking water
50/100
Indoor environment
100/100
Outdoor environment
Unknown

Coverage: 3 of 4 components and 2 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (7) CRITICAL

Your Water System

ZIP code 74401 in Muskogee, Oklahoma is mapped to the water system Muskogee Municipal Authority (EPA ID: OK1021607). This system provides water to approximately 38,310 people from surface water sources.

There are 7 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Muskogee Municipal Authority OK1021607 38,310 Surface water
Muskogee Company Rwd #6 OK3005105 2,550 Surface water
Muskogee Company Rwd #9 OK3005119 300 Surface water
Muskogee Company Rwd #5 OK3005107 4,135 Surface water
Haskell Pwa-wells OK2005111 1,765 Groundwater

Other Water Quality Reports in Oklahoma

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Muskogee Municipal Authority (OK1021607) on EPA.gov.

4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →

Compliance History

2021 14 2022 17 2023 16 2024 11 2025 11
Health-based (MCL/TT) Other violations

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 74401 show no PFAS detections among the compounds tested, at the program's reporting levels.

The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.

📊 EPA UCMR5 · View source →

Health Risks from Detected Contaminants

Total Trihalomethanes (TTHM)

High Risk

EPA reference value: 0.08 mg/L · 97 violations on record

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 a filter →

Haloacetic Acids (HAA5)

High Risk

EPA reference value: 0.06 mg/L · 73 violations on record

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 a filter →

📊 EPA SDWIS + SDWA · View source →
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) MODERATE

Possible home maintenance concerns - talk to a local expert.

Call (855) 384-4856

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Cost & Community (9) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Muskogee

Based on local data for ZIP 74401, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Home & Flood Insurance

The ZIP code for this report in Muskogee has 5 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.

Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote

Check Your Flood Zone (Free)

FEMA flood map lookup - see if your property is in a flood zone

Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)

Gutter Installation & Repair

The median home in 74401 was built around 1978. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

The median build year of homes in Muskogee is 1978; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Roofing Inspection & Repair

Homes built around 1978 may be on their second or third roof. A professional inspection can catch damage before leaks start.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 74401 safe to drink?

EPA SDWIS records 182 violations since 2021 across the water systems mapped to ZIP 74401 (primary system: Muskogee Municipal Authority), including 142 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 74401's water come from?

The recorded water source for Muskogee Municipal Authority, a system mapped to ZIP code 74401, is Surface water. This system serves approximately 38,310 people.

How can I get my water tested in Muskogee?

If Muskogee Municipal Authority supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

Is lead a concern in 74401 tap water?

The Lead and Copper Rule record selected for 74401 reports a 90th-percentile lead result of 0.0054 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 74401?

74401 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Muskogee County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

What does the NFIP claim history show for ZIP 74401?

FEMA records contain 5 flood insurance claims filed in ZIP code 74401; the recorded rated-zone value (the most frequent one if there are several claims) is X, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Muskogee, OK (74401): 142 Health-Based Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/74401/
BibTeX
@misc{zipcheckup-report-74401,
  author = {{ZipCheckup}},
  title  = {{Muskogee, OK (74401): 142 Health-Based Violations Recorded for Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/74401/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 74401

ZIP Code City, State Distance Grade Violations
74463 Taft, OK 4.5 mi N/A 26
74450 Oktaha, OK 5.6 mi N/A 120
74468 Wainwright, OK 7.4 mi N/A 55
74403 Muskogee, OK 9.0 mi N/A 184
74422 Boynton, OK 9.6 mi N/A 257
74454 Porter, OK 10.4 mi N/A 17
74402 Muskogee, OK 11.6 mi N/A 0
74436 Haskell, OK 12.6 mi N/A 200
74459 Rentiesville, OK 12.7 mi N/A 0
74458 Redbird, OK 13.3 mi N/A 0

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Coverage: 14/17 risk factors Data sources →
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