Tehama County, California
16 ZIP codes · Avg score 89/100 · Grade A · Updated
ZipCheckup grade for Tehama County: A.
No federal data flags a major home-safety concern for this ZIP.
Water utilities serving Tehama County's 16 ZIP codes have built a consistent compliance record - the county's above-average grade reflects years of data showing low violation rates and no systemic health concerns.
How Tehama County Compares
How Tehama County Compares
Tehama County scores 13 points above the California state average (76/100) and 16 points above the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Tehama County, California
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 10.7%, diabetes 13%)
Estimated additional annual cost per homeowner: $2,159, driven primarily by flood
65.6% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
→ Stable trendEPA violation counts by year across Tehama County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 13 violations. Past 5 years: 14 total (14 health-based).
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
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: $2,159
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
32,006 housing units in Tehama 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 Tehama County
Remediation costs are relatively manageable for most homeowners in Tehama 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 Tehama County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Tehama County
8 community water systems serving Tehama County.
- B
- A
- A
- A
- B
- A
Show all 8 water systems
12 total water systems serve Tehama County.
Systems with the most violations in Tehama County
5 water systems with recorded EPA violations.
- A
- B
- A
- B
- A
All ZIP Codes in Tehama County
16 ZIP codes tracked in Tehama County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 96021 | Corning | 99 | A | 1 | $287K |
| 2 | 96022 | Cottonwood | 93 | A | 7 (2 health) | $355K |
| 3 | 96080 | Red Bluff | 75 | B | 5 (2 health) | $315K |
| 4 | 96020 | Chester | — | — | 1 (1 health) | $278K |
| 5 | 96029 | Flournoy | — | — | $513K | |
| 6 | 96035 | Gerber | — | — | 0 | $225K |
| 7 | 96055 | Los Molinos | — | — | $261K | |
| 8 | 96059 | Manton | — | — | $423K | |
| 9 | 96061 | Mill Creek | — | — | — | |
| 10 | 96063 | Mineral | — | — | — | |
| 11 | 96074 | Paskenta | — | — | — | |
| 12 | 96075 | Paynes Creek | — | — | $49K | |
| 13 | 96078 | Proberta | — | — | — | |
| 14 | 96090 | Tehama | — | — | $266K | |
| 15 | 96092 | Vina | — | — | — | |
| 16 | 96095 | Whiskeytown | — | — | — |
Recommended Buyer Guides for Tehama County
Editorial-only picks, screened against the EPA detections on file.
- Best Lead Paint Test Kits — 65.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Tehama County, California
Overview
Tehama County in California covers 16 tracked ZIP records with an average Home Safety Score of A (89/100) across 3 scored records.
4 of 5 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 5 health-based violations appear in the available health breakdown.
← Back to California Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.