Corvallis, OR: Lead Above EPA Limits - Home Safety 100/100
4 ZIP codes · 5 water systems · Updated
ZipCheckup grade for Corvallis: A.
No federal data flags a major home-safety concern for this ZIP.
Water systems in Corvallis, OR serve households with few reported safety events.
How Corvallis Compares
Data: EPA SDWIS
What You Should Know About Corvallis Water
- Your city's water systems recorded 7 violations in the past 5 years.
- Average lead level: 0.0091 mg/L.
- Estimated remediation: $900 per household.
- CDC health risk index: 11.42.
Who Supplies Your Water in Corvallis
Residential addresses in Corvallis, OR are served by 3 primary water providers out of 5 systems in federal records. Each system maintains separate infrastructure and files its own EPA compliance reports, so service conditions are not uniform across the city.
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Overview
We track home safety data for 4 ZIP codes in Corvallis, Oregon, covering 5 community water systems serving approximately 71,794 people. The EPA snapshots used for this build directly map water systems to 3 of 4 ZIP codes.
2 of 3 ZIP codes with a reported violation count in the available EPA record (67%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Corvallis: A (100/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Corvallis water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0091 mg/L (EPA action level: 0.015 mg/L)
- 1 of 3 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 4 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 6 | 1 |
| Consumer Confidence Report Rule | Reporting | 5 | 2 |
| Stage 2 DBP Rule | Treatment Technique | 2 | 1 |
| Lead and Copper Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 97330 | — | 7 | 1 | City of Corvallis, |
| 97333 | A | 1 | 0 | City of Corvallis, |
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 97331 | — | City of Corvallis, | 61,468 |
All ZIP Codes in Corvallis
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Health Outcomes in Corvallis
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Corvallis Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Corvallis Homeowners
How much of a Corvallis home's value does documented remediation represent? A small fraction - the equity share here is in the low tier, and from a household financial perspective, most property owners are considering a commitment that fits comfortably within standard planning rather than a decision that rises to the level of a material budget event or significant equity consideration.
Remediation costs in Corvallis are relatively low compared to home values. The $550–$1,500 estimated range is a small fraction of median property value. Home values are 22% above the Oregon average.
Lead Exposure Risk for Children in Corvallis
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Corvallis appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
<strong>1 ZIP code</strong> (25% of the city) exceeds the EPA lead action level of 0.015 mg/L.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical NFIP Claim Context in Corvallis
Historical NFIP data for Corvallis contains 59 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $15,477. Among ZIP codes with claim records, 50% 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. The <strong>$900</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
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.
Deep Dive Reports
Detailed analysis for Corvallis, OR