Health Violations Found

Afton, OK (74331): 18 Health-Based Violations Recorded for Mapped Water Systems

EPA data combined for 11 water systems mapped to this ZIP (largest mapped system: Ketchum Pwa)

Health Violations Found

Health-based violation records by water system:

EPA records for the water systems mapped to 74331 in Afton, OK contain 782 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 18 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 18 health-based violation records
Lead Risk Below action level 0.0015 mg/L, 90th percentile, sample period ending 2024-12-31
NFIP Claim History Claim records 24 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 18 health-based violations and 764 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0015 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
  • Flood 24 cumulative NFIP claim records. Check the current FEMA map for a specific address.
Contaminant Summary
Health Violations
782 violations 18 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
11
Water Systems
4,025
People Served
18
Health Violations (since 2021)Median is 0
Surface water
Water Source
0.0015 mg/L
Reported Lead Result
Zone 2
County Radon Potential · Moderate
$180K
Median Home Value40% above state median ($129K)

Get updates when new water-quality data is available for your area

Free alerts when new EPA data affects ZIP code 74331. No spam - just safety updates.

Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.

See incorrect data? Let us know

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
50/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

Drinking water
50/100
Indoor environment
50/100
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 74331 in Afton, Oklahoma is mapped to the water system Ketchum Pwa (EPA ID: OK1021612). This system provides water to approximately 4,025 people from surface water sources.

There are 11 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Ketchum Pwa OK1021612 4,025 Surface water
Afton Pwa OK1021696 1,428 Surface water
Ottawa Company Rwd #6 OK2005859 560 Groundwater
Grand Lake Pwa OK1021691 2,800 Groundwater
Delaware Company Rwd #10 OK6002158 1,295 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 Ketchum Pwa (OK1021612) 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 2022 2023 2 2024 3 2025 3
Health-based (MCL/TT) Other violations

Health Risks from Detected Contaminants

Total Trihalomethanes (TTHM)

High Risk

EPA reference value: 0.08 mg/L · 9 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 · 8 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

This is a free service. You will be connected with an independent service provider. We may receive compensation.

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 Afton

Based on local data for ZIP 74331, 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 Afton has 24 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 74331 was built around 1983. 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 Afton is 1983; 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

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 74331 safe to drink?

EPA SDWIS records 782 violations since 2021 across the water systems mapped to ZIP 74331 (primary system: Ketchum Pwa), including 18 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 74331's water come from?

The recorded water source for Ketchum Pwa, a system mapped to ZIP code 74331, is Surface water. This system serves approximately 4,025 people.

How can I get my water tested in Afton?

If Ketchum Pwa 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 74331 tap water?

The Lead and Copper Rule record selected for 74331 reports a 90th-percentile lead result of 0.0015 mg/L for a water system mapped to this ZIP (record date 2024-12-31). 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 74331?

74331 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Delaware 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 74331?

FEMA records contain 24 flood insurance claims filed in ZIP code 74331; the recorded rated-zone value (the most frequent one if there are several claims) is AE, 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). Afton, OK (74331): 18 Health-Based Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/74331/
BibTeX 
@misc{zipcheckup-report-74331,
  author = {{ZipCheckup}},
  title  = {{Afton, OK (74331): 18 Health-Based Violations Recorded for Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/74331/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 74331

ZIP Code City, State Distance Grade Violations
74349 Ketchum, OK 8.5 mi N/A 101
74343 Fairland, OK 10.0 mi B 113
74344 Grove, OK 10.7 mi N/A 136
74301 Vinita, OK 10.8 mi N/A 155
74340 Disney, OK 11.5 mi N/A 26
74345 Grove, OK 12.0 mi N/A 0
74350 Langley, OK 12.8 mi C 94
74333 Bluejacket, OK 14.6 mi N/A 57
74355 Miami, OK 14.6 mi N/A 0
74342 Eucha, OK 15.5 mi N/A 85

Overall safety breakdown

Home Safety Score →

Find the right water filter

Water Filter Matcher →

Compare filters, tests & services

Compare My Options →

Compare with another ZIP

Compare Tool →
Coverage: 14/17 risk factors Data sources →
Get alerts for 74331