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Water Quality Report · Updated October 07, 2026

SACRAMENTO SUBURBAN WATER DISTRICT

Serving 194,444 residents in SACRAMENTO, California .

National rank 16th percentile
California rank 32th percentile
Data confidence Medium
D
57/100
Below Average
ⓘ How did we get this rating?
Quick answer

SACRAMENTO SUBURBAN WATER DISTRICT delivers tap water graded D (57/100) by TapWaterSafety.org. The utility serves approximately 194,444 residents in SACRAMENTO, California using surface water (purchased). The most significant water quality concerns are: PFAS contamination; Perfluorohexane sulfonate (PFHXS) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Arsenic detected. For questions, the utility can be reached at 916-972-7171.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
194,444
People served
1
City served
44
Contaminants detected
17
Above health guidelines

Is SACRAMENTO tap water safe to drink?

SACRAMENTO SUBURBAN WATER DISTRICT delivers tap water that earns a grade of D (57/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including pfas contamination.

The utility serves 194,444 residents in SACRAMENTO, drawing from surface water (purchased).

Public testing data identifies 17 contaminants in this water above EWG's health-based guidelines, including: Perfluorohexane sulfonate (PFHXS), Haloacetic acids (HAA5), Haloacetic acids (HAA9), Chromium (hexavalent), Total trihalomethanes (TTHMs), Trichloroacetic acid, Arsenic, Chloroform, Dichloroacetic acid, Bromodichloromethane, Nitrate, Nitrate and nitrite, Tetrachloroethylene (perchloroethylene), Dibromochloromethane, Perfluorooctanoic acid (PFOA), Dibromoacetic acid, Chlorate. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.

EPA compliance record

Official U.S. EPA records for SACRAMENTO SUBURBAN WATER DISTRICT (system ID CA3410001) for the last 3 years. Checked 2026-10-07.

No EPA violations in the last 3 years.
0 of 12quarters with a violation
Nolead above EPA action level
04/17/2024last state inspection

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for SACRAMENTO SUBURBAN WATER DISTRICT.

PFAS contamination

Severe concern

Perfluorooctanoic acid (PFOA), Perfluorooctane sulfonate (PFOS) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.

Perfluorohexane sulfonate (PFHXS) significantly above health guideline

Moderate concern

Perfluorohexane sulfonate (PFHXS) detected at 0.871 ppt, 871x above the EWG health guideline of 0.001 ppt.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 36.2 ppb, 362x above the EWG health guideline of 0.1 ppb.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 20.4 ppb, 339x above the EWG health guideline of 0.06 ppb.

Arsenic detected

Moderate concern

Arsenic detected at 0.438 ppb.

Contact SACRAMENTO SUBURBAN WATER DISTRICT

Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.

Recommended water filters for SACRAMENTO

Filters matched to the specific contaminants in this water supply.

Filter certified for PFOA/PFOS (NSF/ANSI 53 or 58)

$180-$750

Reverse osmosis and some carbon block filters reduce PFAS. Look for certification to NSF/ANSI 53 or 58 for PFOA/PFOS.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon
Waterdrop G3P800 Tankless RO
$600-$750 NSF 42, 53, 58, 372
View on retailer →

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Reverse osmosis certified for arsenic (NSF/ANSI 58)

$429-$599

Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

Score breakdown

This utility's overall score of 57/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
12 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
8 / 20
Compliance History
10 / 10
Source Water Vulnerability
7 / 10

Contaminants detected — international standards comparison

Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →

Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Perfluorohexane sulfonate (PFHXS)
PFAS
0.871 ppt 0.001 10.0 — — — — 871× over
Haloacetic acids (HAA5)
Disinfection byproduct
36.2 ppb 0.1 60.0 60 — — — 362× over
Haloacetic acids (HAA9)
Disinfection byproduct
20.4 ppb 0.06 — — — — — 339× over
Chromium (hexavalent)
Heavy metal
3.9 ppb 0.02 — — — — — 195× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
24.3 ppb 0.15 80.0 100 — — — 162× over
Trichloroacetic acid
Disinfection byproduct
11.2 ppb 0.1 — — — — — 112× over
Arsenic
Heavy metal
0.438 ppb 0.004 10.0 10 10 0.004 — 109× over
Chloroform
Disinfection byproduct
21.6 ppb 0.4 — — — — — 54× over
Dichloroacetic acid
Disinfection byproduct
7.87 ppb 0.2 — — — — — 39× over
Bromodichloromethane
Disinfection byproduct
1.56 ppb 0.06 — — — — — 26× over
Nitrate
Inorganic
1.78 ppm 0.14 10.0 11.3 11.3 10 — 13× over
Nitrate and nitrite
Inorganic
1.61 ppm 0.14 10.0 11.3 11.3 10 — 12× over
Tetrachloroethylene (perchloroethylene)
Volatile organic compound
0.573 ppb 0.06 5.0 — — — — 9.6× over
Dibromochloromethane
Disinfection byproduct
0.373 ppb 0.1 — — — — — 3.7× over
Perfluorooctanoic acid (PFOA)
PFAS
0.269 ppt 0.09 4.0 100 100 0.007 — 3.0× over
Dibromoacetic acid
Disinfection byproduct
0.0404 ppb 0.03 — — — — — 1.3× over
Chlorate
Disinfection byproduct
227.5 ppb 210.0 — — — — — 1.1× over
Perfluorooctane sulfonate (PFOS)
PFAS
0.288 ppt 0.3 4.0 100 100 1 — Below guideline
Vanadium
Other
14.4 ppb 21.0 — — — — — Below guideline
Uranium
Radiological
0.27 pCi/L 0.43 20.0 30 30 0.43 — Below guideline
Perchlorate
Disinfection byproduct
0.445 ppb 1.0 — — — — — Below guideline
Radium, combined (-226 and -228)
Radiological
0.01 pCi/L 0.05 5.0 — — — — Below guideline
Bromoform
Disinfection byproduct
0.0901 ppb 0.5 — — — — — Below guideline
Barium
Heavy metal
69.4 ppb 700.0 2000.0 — 1300 2000 — Below guideline
Manganese
Heavy metal
7.08 ppb 100.0 — 50 80 — — Below guideline
1,4-Dioxane
Semi-volatile organic compound
0.0155 ppb 0.35 — — 50 1 — Below guideline
Aluminum
Heavy metal
2.08 ppb 600.0 — 200 — 600 — Below guideline
Molybdenum
Other
0.127 ppb 40.0 — — — — — Below guideline
Monochloroacetic acid
Disinfection byproduct
0.0744 ppb 53.0 — — — — — Below guideline
Perfluoropentanoic Acid (PFPeA)
PFAS
0.489 ppt 1000.0 — — — — — Below guideline
Perfluorohexanoic Acid (PFHxA)
PFAS
0.371 ppt 1000.0 — — — — — Below guideline
Strontium
Radiological
0.275 ppb 1500.0 — — — — — Below guideline
Perfluorobutanoic Acid (PFBA)
PFAS
0.085 ppt 1000.0 — — — — — Below guideline
1,1-Dichloroethane
Volatile organic compound
0.000221 ppb 3.0 — — — — — Below guideline
Perfluoroheptanoic acid (PFHPA)
PFAS
0.071 ppt 1000.0 — — — — — Below guideline
Perfluorobutane sulfonate (PFBS)
PFAS
0.131 ppt 2000.0 — — — — — Below guideline
17-beta-Estradiol
Radiological
0.022 ppt — — — — — — Below guideline
Chlorodifluoromethane
Other
0.251 ppb — — — — — — Below guideline
DCPA mono- and di-acid degradates
Other
0.289 ppb — — — — — — Below guideline
Fluoride
Inorganic
0.0848 ppm — 4.0 1.5 1.5 — — Below guideline
Germanium
Other
0.0374 ppb — — — — — — Below guideline
Lithium
Other
7.34 ppb — — — — — — Below guideline
Nitrite
Inorganic
0.00853 ppm — 1.0 — — — — Below guideline
Testosterone
Other
0.002 ppt — — — — — — Below guideline

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.

SACRAMENTO SUBURBAN WATER DISTRICT service area

This water system serves 1 community in Sacramento County, California. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
CA3410001
Owner type
Local government
Source water
Surface water (purchased)
Service connections
46,996
Service area
SACRAMENTO, Sacramento County, California