Sacramento, CA: 102 Health Violations — 81/100 (2026)
102 ZIP codes · 11 water systems · Updated 2026-06-03
Public water monitoring in Sacramento shows a safety record well above the CA median — health-based violations are isolated exceptions rather than recurring patterns, the city's systems have stayed compliant across recent reporting cycles, and no cluster of recurring exceedances appears in any single service area.
How Sacramento Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Sacramento, CA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Sacramento's 102 ZIP codes.
Key Facts for Sacramento Residents
- Your city's water systems recorded 204 violations in the past 5 years.
- Estimated remediation: $1,201 per household.
- CDC health risk index: 11.3.
Sacramento's Water Providers
Structurally, Sacramento, CA's water supply is divided. Federal data identifies 11 water systems in the area, with 3 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.
Overview
We track water quality and home safety data for 102 ZIP codes in Sacramento, California, covering 11 community water systems serving approximately 846,557 people.
102 of 102 ZIP codes (100%) have recorded EPA violations. 102 health-based violations documented.
Home Safety Score
Average Home Safety Score for Sacramento: B (81/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Sacramento water systems draw from: Groundwater, Surface water.
Lead & Copper
- Lead data: not yet available for Sacramento
- 0 ZIP codes 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): 102 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | 206 | 102 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 94203 | B | 2 | 1 | City of Sacramento Main |
| 94204 | B | 2 | 1 | City of Sacramento Main |
| 94205 | B | 2 | 1 | City of Sacramento Main |
| 94206 | B | 2 | 1 | City of Sacramento Main |
| 94207 | B | 2 | 1 | City of Sacramento Main |
| 94208 | B | 2 | 1 | City of Sacramento Main |
| 94209 | B | 2 | 1 | City of Sacramento Main |
| 94211 | B | 2 | 1 | City of Sacramento Main |
| 94229 | B | 2 | 1 | City of Sacramento Main |
| 94230 | B | 2 | 1 | City of Sacramento Main |
All ZIP Codes in Sacramento
- 94203 [B] — 2 violations ⚠
- 94204 [B] — 2 violations ⚠
- 94205 [B] — 2 violations ⚠
- 94206 [B] — 2 violations ⚠
- 94207 [B] — 2 violations ⚠
- 94208 [B] — 2 violations ⚠
- 94209 [B] — 2 violations ⚠
- 94211 [B] — 2 violations ⚠
- 94229 [B] — 2 violations ⚠
- 94230 [B] — 2 violations ⚠
- 94232 [B] — 2 violations ⚠
- 94234 [B] — 2 violations ⚠
- 94235 [B] — 2 violations ⚠
- 94236 [B] — 2 violations ⚠
- 94237 [B] — 2 violations ⚠
- 94239 [B] — 2 violations ⚠
- 94240 [B] — 2 violations ⚠
- 94244 [B] — 2 violations ⚠
- 94245 [B] — 2 violations ⚠
- 94246 [B] — 2 violations ⚠
- 94247 [B] — 2 violations ⚠
- 94248 [B] — 2 violations ⚠
- 94249 [B] — 2 violations ⚠
- 94250 [B] — 2 violations ⚠
- 94252 [B] — 2 violations ⚠
- 94254 [B] — 2 violations ⚠
- 94256 [B] — 2 violations ⚠
- 94257 [B] — 2 violations ⚠
- 94258 [B] — 2 violations ⚠
- 94259 [B] — 2 violations ⚠
- 94261 [B] — 2 violations ⚠
- 94262 [B] — 2 violations ⚠
- 94263 [B] — 2 violations ⚠
- 94267 [B] — 2 violations ⚠
- 94268 [B] — 2 violations ⚠
- 94269 [B] — 2 violations ⚠
- 94271 [B] — 2 violations ⚠
- 94273 [B] — 2 violations ⚠
- 94274 [B] — 2 violations ⚠
- 94277 [B] — 2 violations ⚠
- 94278 [B] — 2 violations ⚠
- 94279 [B] — 2 violations ⚠
- 94280 [B] — 2 violations ⚠
- 94282 [B] — 2 violations ⚠
- 94283 [B] — 2 violations ⚠
- 94284 [B] — 2 violations ⚠
- 94285 [B] — 2 violations ⚠
- 94286 [B] — 2 violations ⚠
- 94287 [B] — 2 violations ⚠
- 94288 [B] — 2 violations ⚠
- 94289 [B] — 2 violations ⚠
- 94290 [B] — 2 violations ⚠
- 94291 [B] — 2 violations ⚠
- 94293 [B] — 2 violations ⚠
- 94294 [B] — 2 violations ⚠
- 94295 [B] — 2 violations ⚠
- 94296 [B] — 2 violations ⚠
- 94297 [B] — 2 violations ⚠
- 94298 [B] — 2 violations ⚠
- 94299 [B] — 2 violations ⚠
- 95811 [B] — 2 violations ⚠
- 95812 [B] — 2 violations ⚠
- 95813 [B] — 2 violations ⚠
- 95814 [B] — 2 violations ⚠
- 95815 [B] — 2 violations ⚠
- 95816 [B] — 2 violations ⚠
- 95817 [B] — 2 violations ⚠
- 95818 [B] — 2 violations ⚠
- 95819 [B] — 2 violations ⚠
- 95820 [B] — 2 violations ⚠
- 95821 [B] — 2 violations ⚠
- 95822 [C] — 2 violations ⚠
- 95823 [C] — 2 violations ⚠
- 95824 [B] — 2 violations ⚠
- 95825 [B] — 2 violations ⚠
- 95826 [B] — 2 violations ⚠
- 95827 [B] — 2 violations ⚠
- 95828 [B] — 2 violations ⚠
- 95829 [B] — 2 violations ⚠
- 95830 [B] — 2 violations ⚠
- 95831 [B] — 2 violations ⚠
- 95832 [B] — 2 violations ⚠
- 95833 [C] — 2 violations ⚠
- 95834 [B] — 2 violations ⚠
- 95835 [B] — 2 violations ⚠
- 95836 [B] — 2 violations ⚠
- 95837 [B] — 2 violations ⚠
- 95838 [B] — 2 violations ⚠
- 95840 [B] — 2 violations ⚠
- 95841 [B] — 2 violations ⚠
- 95842 [B] — 2 violations ⚠
- 95851 [B] — 2 violations ⚠
- 95852 [B] — 2 violations ⚠
- 95853 [B] — 2 violations ⚠
- 95860 [B] — 2 violations ⚠
- 95864 [B] — 2 violations ⚠
- 95865 [B] — 2 violations ⚠
- 95866 [B] — 2 violations ⚠
- 95867 [B] — 2 violations ⚠
- 95887 [B] — 2 violations ⚠
- 95894 [B] — 2 violations ⚠
- 95899 [B] — 2 violations ⚠
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
Updated daily.
Sacramento Community Health Snapshot
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
What's in Sacramento's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Sacramento
In Sacramento, property wealth outpaces what documented remediation typically demands — the equity burden lands well within the low tier.
Remediation costs in Sacramento are relatively low compared to home values. The $486–$2,123 estimated range is a small fraction of median property value. Home values are 36% below the California average.
Sacramento: Flood History & Water Damage Risk
Over the multi-decade window covered by the National Flood Insurance Program, Sacramento has accumulated 2704 claims — a total that suggests more than isolated flood exposure. With 28% of ZIP codes in designated flood zones, the water-quality implications of flooding move from hypothetical to periodically relevant: treatment intake can be compromised, wells can be infiltrated, and distribution backflow can occur.
Sacramento has a moderate flood history with 2,704 FEMA claims averaging $7,325 per payout. 28% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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. Flood damage can add significantly to the estimated <strong>$1,201</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Sacramento, CA