ZipCheckup grade for 45435: C.

A mixed picture - some signals here are worth your attention.

Your top priority: test this home for radon. Check your ZIP → EPA radon map

Water Quality Report
C 65

Dayton, OH (45435): 1 Violation Recorded for Mapped Water Systems - 65/100

EPA data for Fairborn Public Water System

High County Radon Potential

EPA records for the water systems mapped to 45435 in Dayton, OH contain 1 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

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
C 65/100
Water Quality Concerns 1 non-health-based violation record in EPA data
Lead Risk Below action level 0.0027 mg/L, 90th percentile, sample period ending 2023-12-31
NFIP Claim History N/A
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 1 violation (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0027 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
Contaminant Summary
Violations on record (not health-based)
1 violation
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
C
ZIP-level Home Safety model score: 65 / 100
Bottom 25% of U.S. ZIP codes
1
Water System
34,620
People Served
0
Health Violations (since 2021)
Groundwater
Water Source
0.0027 mg/L
Reported Lead Result
Zone 1
County Radon Potential · High

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

Free alerts when new EPA data affects ZIP code 45435. No spam - just safety updates.

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

Share Your Area Home Safety Score

Tip: You can also screenshot the card above to share it as an image.

Score Breakdown

Overall Home Safety Score: 65/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance
92/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
0/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
96/100
Indoor environment
0/100
Outdoor environment
100/100

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

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

Safety & Health (7) HIGH

Your Water System

ZIP code 45435 in Dayton, Ohio is mapped to the water system Fairborn Public Water System (EPA ID: OH2900612). This system provides water to approximately 34,620 people from groundwater sources.

Other Water Quality Reports in Ohio

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 Fairborn Public Water System (OH2900612) 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.

📊 EPA Safe Drinking Water · View source →

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 45435 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 →
Environmental Hazards (9) CRITICAL
Home & Infrastructure (3) OK
Cost & Community (6) OK

CPSC product recall notices

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

View all recalls →

📊 CPSC · View source →

Frequently Asked Questions

Is the tap water in 45435 safe to drink?

EPA SDWIS records 1 violation since 2021 across the water systems mapped to ZIP 45435 (primary system: Fairborn Public Water System), 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 45435's water come from?

The recorded water source for Fairborn Public Water System, a system mapped to ZIP code 45435, is Groundwater. This system serves approximately 34,620 people.

How does Dayton water compare to the national average?

Dayton's Home Safety Score ranks lower than 75% of U.S. ZIP codes, and at or above 52% within Ohio.

How can I get my water tested in Dayton?

If Fairborn Public Water System 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 45435 tap water?

The Lead and Copper Rule record selected for 45435 reports a 90th-percentile lead result of 0.0027 mg/L for a water system mapped to this ZIP (record date 2023-12-31). 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 45435?

45435 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Greene County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

How to cite this page

APA ZipCheckup. (2026). Dayton, OH (45435): 1 Violation Recorded for Mapped Water Systems - 65/100. https://zipcheckup.com/report/45435/
BibTeX
@misc{zipcheckup-report-45435,
  author = {{ZipCheckup}},
  title  = {{Dayton, OH (45435): 1 Violation Recorded for Mapped Water Systems - 65/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/45435/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 45435

ZIP Code City, State Distance Grade Violations
45343 Miamisburg, OH <1 mi N/A 0
45401 Dayton, OH <1 mi N/A 0
45413 Dayton, OH <1 mi N/A 0
45437 Dayton, OH <1 mi N/A 0
45441 Dayton, OH <1 mi N/A 0
45448 Dayton, OH <1 mi N/A 0
45470 Dayton, OH <1 mi N/A 0
45475 Dayton, OH <1 mi N/A 0
45481 Dayton, OH <1 mi N/A 0
45482 Dayton, OH <1 mi N/A 0

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: 13/17 risk factors Data sources →
Get alerts for 45435