COUNTY REPORT CA

Sacramento County, California

133 ZIP codes · Avg score 80/100 · Grade B · Updated 2026-06-04

In recent assessments, Sacramento County's 133 ZIP codes record strong, consistent water safety outcomes.

How Sacramento County Compares

Sacramento County80/100

California avg73/100

National avg68/100

How Sacramento County Compares

County Grade

80/100

Avg Safety Score

133

ZIP Codes

Water Systems

Sacramento County scores 7 points above the California state average (73/100) and 12 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-04

County Grade

Avg Safety Score

133

ZIP Codes

Citrus Heights

Best ZIP: 95611 (99/100)

Elk Grove

Lowest ZIP: 95757 (60/100)

$510K

Median Home Value

$1,289

Avg Remediation (25% of home value)

ZIP Code Risk Map

Water Quality Map: Sacramento County, California

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 11.3 (asthma 10.2%, diabetes 11.2%)

Estimated additional annual cost per homeowner: $1,600, driven primarily by flood

Infrastructure: 0.284% avg pipe failure probability, 8% of ZIPs at high risk

Violation History (2021–2024)

↑ Worsening trend

EPA violation counts by year across Sacramento County water systems. Health-based shown in red, total in blue.

2021

4 (4 health)

2022

6 (6 health)

2023

9 (9 health)

2024

111 (111 health)

Peak year: 2024 with 111 violations. Past 5 years: 130 total (130 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.2% (national: 8.9%)

Diabetes 11.2% (national: 10.5%)

Obesity 29.5% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

28%

Pipe Failure Probability

ZIPs at High Infra Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,600

Flood $602/yr

Sea Level Rise $439/yr

Wildfire $293/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Sacramento County

$510K

Median Home Value

$1,289

Est. Remediation Cost

0.3%

of Home Value

Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Sacramento 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 Sacramento County residents

Asthma 10.2% (US avg: 8.9%)

Diabetes 11.2% (US avg: 11%)

Obesity 29.5% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 5 systems in Sacramento County ranked by EPA violation count.

#	Water System	Population	Violations
1	Scwa - Laguna/vineyard	184,896	208
2	Sacramento Suburban Water District	194,444	204
3	City of Sacramento Main	520,407	202
4	Cal Am - Suburban Rosemont	54,793	202
5	Cal Am - Parkway	50,573	202

45 total water systems serve Sacramento County.

All ZIP Codes in Sacramento County

133 ZIP codes tracked in Sacramento County.

#	ZIP Code	City	Safety Score	Grade	Violations	Home Value
1	95611	Citrus Heights	99	A	0	—
2	95741	Rancho Cordova	99	A	0	—
3	95742	Rancho Cordova	99	A	0	$616K
4	95763	Folsom	98	A	1	—
5	95670	Rancho Cordova	95	A	0	$463K
6	95655	Mather	94	A	5 (1 health)	$574K
7	95671	Represa	93	A	2 (1 health)	—
8	95615	Courtland	91	A	1 (1 health)	$651K
9	95630	Folsom	89	A	1	$702K
10	95609	Carmichael	87	A	1	—
11	95610	Citrus Heights	85	A	0	$467K
12	95621	Citrus Heights	85	A	0	$402K
13	94203	Sacramento	83	B	2 (1 health)	—
14	94204	Sacramento	83	B	2 (1 health)	—
15	94205	Sacramento	83	B	2 (1 health)	—
16	94206	Sacramento	83	B	2 (1 health)	—
17	94207	Sacramento	83	B	2 (1 health)	—
18	94208	Sacramento	83	B	2 (1 health)	—
19	94209	Sacramento	83	B	2 (1 health)	—
20	94211	Sacramento	83	B	2 (1 health)	—
21	94229	Sacramento	83	B	2 (1 health)	—
22	94230	Sacramento	83	B	2 (1 health)	—
23	94232	Sacramento	83	B	2 (1 health)	—
24	94234	Sacramento	83	B	2 (1 health)	—
25	94235	Sacramento	83	B	2 (1 health)	—
26	94236	Sacramento	83	B	2 (1 health)	—
27	94237	Sacramento	83	B	2 (1 health)	—
28	94239	Sacramento	83	B	2 (1 health)	—
29	94240	Sacramento	83	B	2 (1 health)	—
30	94244	Sacramento	83	B	2 (1 health)	—
31	94245	Sacramento	83	B	2 (1 health)	—
32	94246	Sacramento	83	B	2 (1 health)	—
33	94247	Sacramento	83	B	2 (1 health)	—
34	94248	Sacramento	83	B	2 (1 health)	—
35	94249	Sacramento	83	B	2 (1 health)	—
36	94250	Sacramento	83	B	2 (1 health)	—
37	94252	Sacramento	83	B	2 (1 health)	—
38	94254	Sacramento	83	B	2 (1 health)	—
39	94256	Sacramento	83	B	2 (1 health)	—
40	94257	Sacramento	83	B	2 (1 health)	—
41	94258	Sacramento	83	B	2 (1 health)	—
42	94259	Sacramento	83	B	2 (1 health)	—
43	94261	Sacramento	83	B	2 (1 health)	—
44	94262	Sacramento	83	B	2 (1 health)	—
45	94263	Sacramento	83	B	2 (1 health)	—
46	94267	Sacramento	83	B	2 (1 health)	—
47	94268	Sacramento	83	B	2 (1 health)	—
48	94269	Sacramento	83	B	2 (1 health)	—
49	94271	Sacramento	83	B	2 (1 health)	—
50	94273	Sacramento	83	B	2 (1 health)	—
51	94274	Sacramento	83	B	2 (1 health)	—
52	94277	Sacramento	83	B	2 (1 health)	—
53	94278	Sacramento	83	B	2 (1 health)	—
54	94279	Sacramento	83	B	2 (1 health)	—
55	94280	Sacramento	83	B	2 (1 health)	—
56	94282	Sacramento	83	B	2 (1 health)	—
57	94283	Sacramento	83	B	2 (1 health)	—
58	94284	Sacramento	83	B	2 (1 health)	—
59	94285	Sacramento	83	B	2 (1 health)	—
60	94286	Sacramento	83	B	2 (1 health)	—
61	94287	Sacramento	83	B	2 (1 health)	—
62	94288	Sacramento	83	B	2 (1 health)	—
63	94289	Sacramento	83	B	2 (1 health)	—
64	94290	Sacramento	83	B	2 (1 health)	—
65	94291	Sacramento	83	B	2 (1 health)	—
66	94293	Sacramento	83	B	2 (1 health)	—
67	94294	Sacramento	83	B	2 (1 health)	—
68	94295	Sacramento	83	B	2 (1 health)	—
69	94296	Sacramento	83	B	2 (1 health)	—
70	94297	Sacramento	83	B	2 (1 health)	—
71	94298	Sacramento	83	B	2 (1 health)	—
72	94299	Sacramento	83	B	2 (1 health)	—
73	95628	Fair Oaks	83	B	0	$615K
74	95813	Sacramento	83	B	2 (1 health)	—
75	95830	Sacramento	83	B	2 (1 health)	$926K
76	95836	Sacramento	83	B	2 (1 health)	—
77	95840	Sacramento	83	B	2 (1 health)	—
78	95851	Sacramento	83	B	2 (1 health)	—
79	95852	Sacramento	83	B	2 (1 health)	—
80	95853	Sacramento	83	B	2 (1 health)	—
81	95860	Sacramento	83	B	2 (1 health)	—
82	95865	Sacramento	83	B	2 (1 health)	—
83	95866	Sacramento	83	B	2 (1 health)	—
84	95867	Sacramento	83	B	2 (1 health)	—
85	95887	Sacramento	83	B	2 (1 health)	—
86	95894	Sacramento	83	B	2 (1 health)	—
87	95662	Orangevale	82	B	0	$500K
88	95641	Isleton	80	B	5 (2 health)	$293K
89	95660	North Highlands	79	B	1	$331K
90	95811	Sacramento	78	B	2 (1 health)	$708K
91	95812	Sacramento	78	B	2 (1 health)	—
92	95814	Sacramento	78	B	2 (1 health)	$621K
93	95817	Sacramento	78	B	2 (1 health)	$501K
94	95821	Sacramento	78	B	2 (1 health)	$471K
95	95824	Sacramento	78	B	2 (1 health)	$322K
96	95827	Sacramento	78	B	2 (1 health)	$420K
97	95828	Sacramento	78	B	2 (1 health)	$377K
98	95829	Sacramento	78	B	2 (1 health)	$590K
99	95832	Sacramento	78	B	2 (1 health)	$364K
100	95835	Sacramento	78	B	2 (1 health)	$588K
101	95842	Sacramento	78	B	2 (1 health)	$368K
102	95608	Carmichael	77	B	1	$566K
103	95693	Wilton	77	B	0	$876K
104	94074	San Gregorio	73	B	0	—
105	95612	Clarksburg	73	B	0	$950K
106	95638	Herald	73	B	0	$641K
107	95680	Ryde	73	B	0	—
108	95815	Sacramento	73	B	2 (1 health)	$298K
109	95816	Sacramento	73	B	2 (1 health)	$790K
110	95818	Sacramento	73	B	2 (1 health)	$769K
111	95819	Sacramento	73	B	2 (1 health)	$716K
112	95820	Sacramento	73	B	2 (1 health)	$394K
113	95825	Sacramento	73	B	2 (1 health)	$434K
114	95826	Sacramento	73	B	2 (1 health)	$441K
115	95831	Sacramento	73	B	2 (1 health)	$620K
116	95834	Sacramento	73	B	2 (1 health)	$518K
117	95837	Sacramento	73	B	2 (1 health)	$1274K
118	95838	Sacramento	73	B	2 (1 health)	$369K
119	95841	Sacramento	73	B	2 (1 health)	$414K
120	95864	Sacramento	73	B	2 (1 health)	$770K
121	95673	Rio Linda	72	B	0	$438K
122	95626	Elverta	70	B	5 (5 health)	$468K
123	95758	Elk Grove	70	B	0	$559K
124	95759	Elk Grove	70	B	0	—
125	95822	Sacramento	68	C	2 (1 health)	$438K
126	95823	Sacramento	68	C	2 (1 health)	$372K
127	95833	Sacramento	68	C	2 (1 health)	$440K
128	95639	Hood	66	C	0	—
129	94027	Atherton	65	C	0	$2000K
130	95624	Elk Grove	65	C	0	$604K
131	95652	Mcclellan	65	C	0	—
132	95686	Thornton	65	C	0	$430K
133	95757	Elk Grove	60	C	0	$648K

Recommended Buyer Guides for Sacramento County

Filtered against federal data, fitted to local risks.

Best Water Filters for Lead — Lead above EPA action level in 4 ZIP codes
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 Sacramento County, California

💧

Water Quality

EPA violations, contaminant trends, and enforcement actions across the county

⚠️

Lead Risk

Lead exposure scores, housing age analysis, and LCR testing trends

🏠

Home Affordability

Remediation costs vs. home values, equity trap analysis by ZIP

$1,289 avg remediation

🌊

Flood Risk

FEMA flood zones, insurance claims, and flood risk data across the county

Overview

Sacramento County in California covers 133 ZIP codes with an average Home Safety Score of B (80/100).

111 of 133 ZIP codes have recorded EPA violations. 111 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.

Frequently Asked Questions

Is water safe in Sacramento County?

Sacramento County receives a grade of B, indicating generally safe tap water across its 133 ZIP codes.

How many water systems serve Sacramento County?

Sacramento County is served by 45 public water systems that supply drinking water to residents across 133 ZIP codes.

What is the biggest environmental risk in Sacramento County?

The primary environmental risk factor in Sacramento County is flood. This contributes to an estimated additional annual cost of $1,600 per homeowner.

How does Sacramento County compare to California?

Sacramento County has an average water safety score of 80/100, which is above the California state average of 73/100.

Explore More

Flood Risk Rankings 2026 Water Safety Rankings 2026 Home Safety Rankings 2026 Water Filter Matcher Find the right filter for your water Home Safety Score Full safety breakdown by ZIP

California State Overview →