COUNTY REPORT OR

Yamhill County, Oregon

9 ZIP codes · Home Safety Score unavailable · 0 of 9 tracked ZIP records scored · Updated

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

Unavailable
0 of 9 tracked ZIP records scored
9
ZIP Codes
$473K
Median Home Value
$1,467
Avg Remediation (31% of home value)

ZIP Code Risk Map

Water Quality Map: Yamhill County, Oregon

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 12.7 (asthma 11.8%, diabetes 11.2%)

Estimated additional annual cost per homeowner: $1,016, driven primarily by flood

46.3% of homes built before 1978 (lead paint era)

Violation History (2022–2025)

↑ Worsening trend

EPA violation counts by year across Yamhill County water systems. Health-based shown in red, total in blue.

2022
1 (1 health)
2023
4 (4 health)
2024
3 (3 health)
2025
8 (8 health)

Peak year: 2025 with 8 violations. Past 5 years: 16 total (16 health-based). Health-based violations are rising versus the prior 2-year window - worth closer monitoring.

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 11.8% (national: 8.9%)
Diabetes 11.2% (national: 10.5%)
Obesity 37% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1986
Median Build Year
46.3%
Pre-1978 Housing
38/100
Infrastructure Stress Indicator
33%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,016

Flood $533/yr
Energy Code Gap $310/yr
Sea Level Rise $167/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

38,996 housing units in Yamhill County

Pre-1940 9%
1940–1959 10%
1960–1979 21%
1980–1999 32%
2000+ 28%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Yamhill County

$473K
Median Home Value
$1,467
Est. Remediation Cost
0.3%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Yamhill County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Yamhill County residents

Asthma 11.8% (US avg: 8.9%)
Diabetes 11.2% (US avg: 11%)
Obesity 37% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving Yamhill County

8 community water systems serving Yamhill County.

Show all 8 water systems

16 total water systems serve Yamhill County.

Systems with the most violations in Yamhill County

5 water systems with recorded EPA violations.

All ZIP Codes in Yamhill County

9 ZIP codes tracked in Yamhill County.

# ZIP Code City Safety Score Grade Violations Home Value
1 97101 Amity 39 (5 health) $484K
2 97111 Carlton 20 $473K
3 97114 Dayton 12 $455K
4 97115 Dundee 23 (1 health) $498K
5 97127 Lafayette 10 $383K
6 97128 Mcminnville 35 (3 health) $419K
7 97132 Newberg 40 (4 health) $499K
8 97148 Yamhill 9 $532K
9 97378 Sheridan 146 (3 health) $341K

Recommended Buyer Guides for Yamhill County

Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.

Overview

Yamhill County in Oregon covers 9 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

9 of 9 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 10 health-based violations appear in the available health breakdown.

← Back to Oregon Home Safety Profile

Data Sources

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

Frequently Asked Questions

How many water systems serve Yamhill County?
Yamhill County is served by 16 public water systems that supply drinking water to residents across 9 ZIP codes.
What is the biggest environmental risk in Yamhill County?
The primary environmental risk factor in Yamhill County is flood. This contributes to an estimated additional annual cost of $1,016 per homeowner.
How old are homes in Yamhill County?
The median home build year in Yamhill County is 1986. 46.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Yamhill County, Oregon Home Safety Profile. https://zipcheckup.com/county/oregon/yamhill/
BibTeX
@misc{zipcheckup-county-oregon-yamhill,
  author = {{ZipCheckup}},
  title  = {{Yamhill County, Oregon Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/oregon/yamhill/}
}

Page version: August 2026.

Get safety alerts for Yamhill, Oregon

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

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.