Water Quality Report · Updated October 07, 2026
CITY OF WEST SACRAMENTO
CITY OF WEST SACRAMENTO delivers tap water graded D (62/100) by TapWaterSafety.org. The utility serves approximately 53,355 residents in WEST SACRAMENTO, California using surface water. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 916-617-4870.
Is WEST SACRAMENTO tap water safe to drink?
CITY OF WEST SACRAMENTO delivers tap water that earns a grade of D (62/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including haloacetic acids (haa9) significantly above health guideline.
The utility serves 53,355 residents in WEST SACRAMENTO, drawing from surface water.
Public testing data identifies 9 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs), Trichloroacetic acid, Bromodichloromethane, Chloroform, Dichloroacetic acid, Dibromochloromethane, Chromium (hexavalent). 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 CITY OF WEST SACRAMENTO (system ID CA5710003) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Lead and Copper Rule Revisions | Required treatment not met | 10/17/2024 | Open |
| Lead and Copper Rule Revisions | Missed reporting | 10/17/2024 | Open |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Quick actions for WEST SACRAMENTO residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for CITY OF WEST SACRAMENTO.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 22.7 ppb, 378x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 36.2 ppb, 362x above the EWG health guideline of 0.1 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 50.2 ppb, 335x above the EWG health guideline of 0.15 ppb.
Contact CITY OF WEST SACRAMENTO
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for WEST SACRAMENTO
Filters matched to the specific contaminants in this water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
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 62/100 breaks down across five weighted components. Read the full methodology →
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 |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
22.7 ppb | 0.06 | — | — | — | — | — | 378× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
36.2 ppb | 0.1 | 60.0 | 60 | — | — | — | 362× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
50.2 ppb | 0.15 | 80.0 | 100 | — | — | — | 335× over |
| Trichloroacetic acid Disinfection byproduct |
11.8 ppb | 0.1 | — | — | — | — | — | 118× over |
| Bromodichloromethane Disinfection byproduct |
6.91 ppb | 0.06 | — | — | — | — | — | 115× over |
| Chloroform Disinfection byproduct |
42.1 ppb | 0.4 | — | — | — | — | — | 105× over |
| Dichloroacetic acid Disinfection byproduct |
12.5 ppb | 0.2 | — | — | — | — | — | 63× over |
| Dibromochloromethane Disinfection byproduct |
1.2 ppb | 0.1 | — | — | — | — | — | 12× over |
| Chromium (hexavalent) Heavy metal |
0.182 ppb | 0.02 | — | — | — | — | — | 9.1× over |
| Vanadium Other |
3.05 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Aluminum Heavy metal |
36.7 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.186 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.315 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Strontium Radiological |
0.0945 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.666 ppm | — | 4.0 | 1.5 | 1.5 | — | — | 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.
CITY OF WEST SACRAMENTO service area
This water system serves 1 community in Yolo County, California. Click any city for its dedicated tap water quality page.
Find the right filter for WEST SACRAMENTO water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.