Kings County, California
9 ZIP codes · Avg score 75/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for Kings: B.
This ZIP looks solid, with a few items worth a quick check.
Spanning 9 ZIP codes, Kings County posts strong drinking water compliance - most systems have never triggered a health-based notice.
How Kings County Compares
How Kings County Compares
Kings County scores 2 points above the California state average (73/100) and 7 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Kings County, California
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12 (asthma 9.8%, diabetes 12.2%)
Estimated additional annual cost per homeowner: $630, driven primarily by energy_code_gap
Infrastructure: 0.367% avg pipe failure probability, 13% of ZIPs at high risk
47.5% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
↓ Improving trendEPA violation counts by year across Kings County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 19 violations. Past 5 years: 57 total (57 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: $630
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
41,258 housing units in Kings 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 Kings County
Remediation costs are relatively manageable for most homeowners in Kings 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 Kings County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Kings County
8 community water systems serving Kings County.
- A
- C
- C
- C
- B
- B
Show all 8 water systems
- A
- A
13 total water systems serve Kings County.
Systems with the most violations in Kings County
5 water systems with recorded EPA violations.
- C
- C
- D
- A
- B
All ZIP Codes in Kings County
9 ZIP codes tracked in Kings County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 93232 | Hanford | 97 | A | 6 (2 health) | — |
| 2 | 93202 | Armona | 95 | A | 0 | $263K |
| 3 | 93230 | Hanford | 93 | A | 6 (2 health) | $322K |
| 4 | 93204 | Avenal | 75 | B | 6 (5 health) | $225K |
| 5 | 93245 | Lemoore | 70 | B | 17 (14 health) | $324K |
| 6 | 93246 | Lemoore | 66 | C | 17 (14 health) | — |
| 7 | 93266 | Stratford | 66 | C | 0 | $272K |
| 8 | 93282 | Waukena | 66 | C | 0 | — |
| 9 | 93239 | Kettleman City | 51 | D | 9 (8 health) | $134K |
Recommended Buyer Guides for Kings County
Independent picks. EPA-grounded. Matched here.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Kings County, California
Overview
Kings County in California covers 9 ZIP codes with an average Home Safety Score of B (75/100).
6 of 9 ZIP codes have recorded EPA violations. 45 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.