ZipCheckup grade for 45034: D.
Federal records show several conditions worth reviewing.
Your top priority: see the breakdown below and consider a certified water filter. Check your ZIP → NSF certified filters
Kings Mills, OH (45034): PFAS Above 2029 MCL Level - 49/100
EPA data for Warren County
EPA records for the water systems mapped to 45034 in Kings Mills, OH contain 2 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 2 violations (non-health) (since 2021).
- Lead The reported 90th-percentile lead result of 0.0013 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- PFAS At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
- Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
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For Kings Mills (45034), only one finding reaches the critical designation.
Score Breakdown
Overall Home Safety Score: 49/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (8) HIGH
Your Water System
ZIP code 45034 in Kings Mills, Ohio is mapped to the water system Warren County (EPA ID: OH8301512). This system provides water to approximately 81,975 people from groundwater sources.
Other Water Quality Reports in Ohio
- 43001 (Alexandria) - 3 violations recorded for mapped water systems
- 43002 (Amlin)
- 43003 (Ashley) - 4 violations recorded for mapped water systems
- 43004 (Blacklick) - 2 violations recorded for mapped water systems
- 43005 (Bladensburg)
- 43006 (Brinkhaven)
- 43007 (Broadway)
- 43008 (Buckeye Lake) - 14 violations recorded for mapped water systems
- 43009 (Cable)
- 43010 (Catawba)
- 43011 (Centerburg)
- 43013 (Croton)
- 43014 (Danville) - 2 violations recorded for mapped water systems
- 43015 (Delaware) - 3 violations recorded for mapped water systems
- 43016 (Dublin) - 1 violation recorded for mapped water systems
- 43017 (Dublin) - 1 violation recorded for mapped water systems
- 43018 (Etna)
- 43019 (Fredericktown) - 1 violation recorded for mapped water systems
- 43021 (Galena)
- 43022 (Gambier) - 4 violations recorded for mapped water systems
Nearby Water Quality Reports
- 45065 (South Lebanon) - 2 mi - 8 violations recorded for mapped water systems
- 45039 (Maineville) - 3 mi - 6 violations recorded for mapped water systems
- 45040 (Mason) - 4 mi - 13 violations recorded for mapped water systems
- 45036 (Lebanon) - 6 mi - 15 violations recorded for mapped water systems
- 45152 (Morrow) - 7 mi - 13 violations recorded for mapped water systems
- 45249 (Cincinnati) - 8 mi - 5 violations recorded for mapped water systems
- 45140 (Loveland) - 8 mi - 36 violations recorded for mapped water systems
- 45069 (West Chester) - 8 mi - 3 violations recorded for mapped water systems
- 45050 (Monroe) - 9 mi - 11 violations recorded for mapped water systems
- 45071 (West Chester) - 9 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Warren County (OH8301512) on EPA.gov.
5 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.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 45034. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.
Detected compounds: PFOS, PFBA, PFPeA, PFBS, PFHxA.
Highest measured level: 0.0289 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (10) CRITICAL
Home & Infrastructure (7) OK
Cost & Community (8) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Frequently Asked Questions
Is the tap water in 45034 safe to drink?
EPA SDWIS records 2 violations since 2021 across the water systems mapped to ZIP 45034 (primary system: Warren County), including 0 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 45034's water come from?
The recorded water source for Warren County, a system mapped to ZIP code 45034, is Groundwater. This system serves approximately 81,975 people.
How does Kings Mills water compare to the national average?
Kings Mills's Home Safety Score ranks lower than 94% of U.S. ZIP codes, and lower than 73% of ZIP codes within Ohio.
How can I get my water tested in Kings Mills?
If Warren County 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 45034 tap water?
The Lead and Copper Rule record selected for 45034 reports a 90th-percentile lead result of 0.0013 mg/L for a water system mapped to this ZIP (record date 2026-06-30). 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 45034?
45034 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Warren County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 45034's water?
Yes, PFAS have been detected in samples from water systems mapped to 45034. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
How to cite this page
ZipCheckup. (2026). Kings Mills, OH (45034): PFAS Above 2029 MCL Level - 49/100. https://zipcheckup.com/report/45034/
@misc{zipcheckup-report-45034,
author = {{ZipCheckup}},
title = {{Kings Mills, OH (45034): PFAS Above 2029 MCL Level - 49/100}},
year = {2026},
url = {https://zipcheckup.com/report/45034/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 45034
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 45065 | South Lebanon, OH | 2.2 mi | D | 8 |
| 45039 | Maineville, OH | 2.8 mi | D | 6 |
| 45040 | Mason, OH | 3.9 mi | D | 13 |
| 45036 | Lebanon, OH | 6.3 mi | D | 15 |
| 45152 | Morrow, OH | 6.9 mi | D | 13 |
| 45249 | Cincinnati, OH | 7.6 mi | D | 5 |
| 45140 | Loveland, OH | 7.9 mi | F | 36 |
| 45069 | West Chester, OH | 8.2 mi | D | 3 |
| 45050 | Monroe, OH | 8.5 mi | C | 11 |
| 45071 | West Chester, OH | 8.7 mi | N/A | 0 |
Nearby ZIP Code Reports
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