CITY REPORT OR

Dayton, OR: 12 Violations - Home Safety Score unavailable

1 ZIP code · 3 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
3
Water Systems
1
ZIPs Linked to Systems with Violations
Zone 2
County Radon Potential (Moderate)
$455K
Median Home Value

Key Facts for Dayton Residents

  • Your city's water systems recorded 12 violations since 2021.
  • Average of reported 90th-percentile lead results: 0.0013 mg/L.
  • Homes built before 1986: 60% - older plumbing may contain lead solder.
  • Health risk index (ZipCheckup composite of CDC data): 12.69.

Dayton's Water Providers

Federal records list 3 water systems tied to Dayton, OR. Of those, 3 are the primary providers, meaning service conditions, rate structures, and compliance histories can differ depending on where a property sits.

Overview

We track home safety data for 1 ZIP code in Dayton, Oregon (population ~5,136), covering 3 community water systems serving approximately 41,473 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.

Water Sources

Dayton water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0013 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

1 of 1 ZIP records with known zones is in EPA Radon Zone 2.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Lead and Copper Rule Treatment Technique 8 1
Groundwater Rule Treatment Technique 8 1
Consumer Confidence Rule Reporting 4 1
Revised Total Coliform Rule Microbiological 4 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
97114 — 12 0 City of Dayton,

All ZIP Codes in Dayton

  • 97114 - 12 violations recorded for mapped water systems

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Dayton Community Health Snapshot

11.8%
Asthma (US: 9.8%)
11.2%
Diabetes (US: 10.4%)
16.9%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.

Compared to National Average

Asthma 11.8% ↑
Diabetes 11.2% ↑
Mental Health 16.9% ↑

Vertical line = national average. ■ Above national · ■ Below national

What's in Dayton's Water?

Lead and Copper Rule 8 violations
Treatment Technique
Developmental delays in children, kidney damage
Groundwater Rule 8 violations
Treatment Technique
Consumer Confidence Rule 4 violations
Reporting

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Dayton Infrastructure Age

1974
Median Build Year
60%
Built Before 1986
42%
Built Before 1970
Copper
Likely Pipe Material

With 60% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Median construction year in Dayton: 1974, set against the 1986 federal lead limits for new plumbing.

1974
Median Year Built
60%
Pre-1986 (lead solder era; lead paint banned 1978)
42%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (42%) 1970–1986 (18%) Post-1986 (40%)

Over half of homes in Dayton were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Dayton: Lead Risk & Vulnerable Populations

60%
Homes Built Before 1986
0.0013
mg/L average of reported water-system 90th-percentile lead results (the 0.015 action level applies to each system's result, not to this average)

Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Dayton: NFIP Claim Records and Water-Quality Context

1
Total FEMA Flood Claims
$5,816
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Dayton contains 1 flood insurance claim. Among claims with payment data, the average reported building, contents, and ICC component sum is $5,816. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

How many violations are on record for water systems serving Dayton?
EPA records list 12 EPA violations for Dayton water systems. These water-system violations are shown for 1 mapped ZIP code.
Does Dayton water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Dayton is 0.0013 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average. EPA's health goal for lead is zero. Lead levels can vary by home - testing is recommended especially in older properties.
How many water systems serve Dayton?
Our records map 3 water systems to 1 ZIP code in Dayton. The related population figure in our data is approximately 5,136 people; it is not a count of people served citywide.
Home → Cities → Oregon → Dayton, OR

How to cite this page

APA ZipCheckup. (2026). Dayton, OR: 12 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/or/dayton/
BibTeX
@misc{zipcheckup-cities-or-dayton,
  author = {{ZipCheckup}},
  title  = {{Dayton, OR: 12 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/or/dayton/}
}

Page version: October 2026.

Get safety alerts for Dayton, Oregon

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Violations found - check filter options Free tool - no phone call required.