Linn County, Oregon
19 ZIP codes · Avg score 80/100 · Grade B · Updated 2026-06-03
Water systems in Linn County serve 19 ZIP codes with few reported safety events.
How Linn County Compares
How Linn County Compares
Linn County scores 2 points above the Oregon state average (78/100) and 12 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Linn County, Oregon
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.6 (asthma 12.4%, diabetes 11.9%)
Estimated additional annual cost per homeowner: $1,509, driven primarily by energy_code_gap
Infrastructure: 0.375% avg pipe failure probability, 32% of ZIPs at high risk
59.7% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↓ Improving trendEPA violation counts by year across Linn County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 9 violations. Past 5 years: 19 total (19 health-based). Health-based violations are declining versus the prior 2-year window.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,509
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
66,830 housing units in Linn County
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 Linn County
Remediation costs are relatively manageable for most homeowners in Linn 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 Linn County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Linn County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Lyons Mehama Water District | 1,300 | 57 |
| 2 | Orchard Heights Water Assn | 381 | 57 |
| 3 | Taylors Grove Water Works | 28 | 57 |
| 4 | Lawrence Subdivision Wtr Assn | 125 | 36 |
| 5 | City of Harrisburg, | 3,684 | 32 |
34 total water systems serve Linn County.
All ZIP Codes in Linn County
19 ZIP codes tracked in Linn County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 97322 | Albany | 94 | A | 2 | $321K |
| 2 | 97358 | Lyons | 94 | A | 57 (1 health) | $452K |
| 3 | 97386 | Sweet Home | 91 | A | 8 | $302K |
| 4 | 97389 | Tangent | 91 | A | 6 | $365K |
| 5 | 97321 | Albany | 89 | A | 2 | $442K |
| 6 | 97333 | Corvallis | 89 | A | 6 (1 health) | $482K |
| 7 | 97355 | Lebanon | 89 | A | 12 | $333K |
| 8 | 97348 | Halsey | 86 | A | 3 | $322K |
| 9 | 97374 | Scio | 83 | B | 13 (2 health) | $535K |
| 10 | 97327 | Brownsville | 81 | B | 24 | $377K |
| 11 | 97446 | Harrisburg | 78 | B | 32 (11 health) | $318K |
| 12 | 97346 | Gates | 73 | B | 7 | $379K |
| 13 | 97384 | Mehama | 73 | B | 0 | — |
| 14 | 97456 | Monroe | 73 | B | 0 | $372K |
| 15 | 97329 | Cascadia | 66 | C | 0 | — |
| 16 | 97335 | Crabtree | 66 | C | 0 | $362K |
| 17 | 97336 | Crawfordsville | 66 | C | 0 | — |
| 18 | 97345 | Foster | 66 | C | 0 | $569K |
| 19 | 97377 | Shedd | 66 | C | 0 | $611K |
Recommended Buyer Guides for Linn County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Lead Paint Test Kits — 59.7% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Linn County, Oregon
Overview
Linn County in Oregon covers 19 ZIP codes with an average Home Safety Score of B (80/100).
12 of 19 ZIP codes have recorded EPA violations. 15 health-based violations have been documented.
← Back to Oregon water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.