Shasta County, California
31 ZIP codes · Avg score 82/100 · Grade B · Updated 2026-06-03
Within Shasta County, all 31 tracked ZIP codes show above-average drinking water safety — violations are infrequent and typically minor.
How Shasta County Compares
How Shasta County Compares
Shasta County scores 9 points above the California state average (73/100) and 14 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Shasta 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 (asthma 10.8%, diabetes 11.8%)
Estimated additional annual cost per homeowner: $3,261, driven primarily by sea_level
Infrastructure: 0.33% avg pipe failure probability, 7% of ZIPs at high risk
61.7% of homes built before 1978 (lead paint era)
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: $3,261
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
76,837 housing units in Shasta 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 Shasta County
Remediation costs are relatively manageable for most homeowners in Shasta 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 Shasta 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 Shasta County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Bella Vista Water District | 18,612 | 12 |
| 2 | City of Redding | 89,628 | 10 |
| 3 | Centerville C.s.d. | 4,151 | 8 |
| 4 | City of Anderson | 11,147 | 6 |
| 5 | Mountain Gate C.s.d. | 2,227 | 5 |
30 total water systems serve Shasta County.
All ZIP Codes in Shasta County
31 ZIP codes tracked in Shasta County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 96016 | Cassel | 99 | A | 0 | $243K |
| 2 | 96049 | Redding | 99 | A | 1 | — |
| 3 | 96079 | Shasta Lake | 99 | A | 0 | — |
| 4 | 96089 | Shasta Lake | 99 | A | 0 | — |
| 5 | 96099 | Redding | 99 | A | 1 | — |
| 6 | 96087 | Shasta | 95 | A | 0 | $359K |
| 7 | 96071 | Old Station | 94 | A | 2 (1 health) | — |
| 8 | 96076 | Platina | 94 | A | 3 (1 health) | — |
| 9 | 96088 | Shingletown | 94 | A | 3 (1 health) | $286K |
| 10 | 96013 | Burney | 93 | A | 1 | $228K |
| 11 | 96051 | Lakehead | 91 | A | 2 (1 health) | $312K |
| 12 | 96001 | Redding | 90 | A | 1 | $386K |
| 13 | 96003 | Redding | 90 | A | 1 | $371K |
| 14 | 96019 | Shasta Lake | 90 | A | 0 | $272K |
| 15 | 96028 | Fall River Mills | 88 | A | 0 | $399K |
| 16 | 96002 | Redding | 85 | A | 1 | $348K |
| 17 | 96007 | Anderson | 77 | B | 5 (2 health) | $285K |
| 18 | 96073 | Palo Cedro | 77 | B | 2 (1 health) | $540K |
| 19 | 96017 | Castella | 73 | B | 0 | — |
| 20 | 96033 | French Gulch | 73 | B | 0 | — |
| 21 | 96040 | Hat Creek | 73 | B | 0 | — |
| 22 | 96062 | Millville | 73 | B | 0 | $441K |
| 23 | 96095 | Whiskeytown | 73 | B | 0 | — |
| 24 | 96011 | Big Bend | 66 | C | 0 | — |
| 25 | 96047 | Igo | 66 | C | 0 | $365K |
| 26 | 96056 | Mcarthur | 66 | C | 0 | $411K |
| 27 | 96059 | Manton | 66 | C | 0 | $423K |
| 28 | 96065 | Montgomery Creek | 66 | C | 0 | $316K |
| 29 | 96069 | Oak Run | 66 | C | 0 | $343K |
| 30 | 96084 | Round Mountain | 66 | C | 0 | $277K |
| 31 | 96096 | Whitmore | 66 | C | 0 | $375K |
Recommended Buyer Guides for Shasta County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 61.7% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Shasta County, California
Overview
Shasta County in California covers 31 ZIP codes with an average Home Safety Score of B (82/100).
12 of 31 ZIP codes have recorded EPA violations. 7 health-based violations have been documented.
← Back to California 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.