Free tap water grades for 1,100+ water systems & 10,000+ ZIP codesFree tap water grades for 10,000+ ZIP codes Official EPA compliance records · Independent ratings

Water Quality Report · Updated October 07, 2026

GOLETA WATER DISTRICT

Serving 84,462 residents in GOLETA, California .

National rank 30th percentile
California rank 47th percentile
Data confidence Medium
D
64/100
Below Average
ⓘ How did we get this rating?
Quick answer

GOLETA WATER DISTRICT delivers tap water graded D (64/100) by TapWaterSafety.org. The utility serves approximately 84,462 residents in GOLETA, 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; Arsenic detected. For questions, the utility can be reached at 805-879-4621.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
84,462
People served
1
City served
32
Contaminants detected
18
Above health guidelines

Is GOLETA tap water safe to drink?

GOLETA WATER DISTRICT delivers tap water that earns a grade of D (64/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including haloacetic acids (haa9) significantly above health guideline.

The utility serves 84,462 residents in GOLETA, drawing from surface water.

Public testing data identifies 18 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs), Bromodichloromethane, Dibromochloromethane, Dibromoacetic acid, Trichloroacetic acid, Chloroform, Arsenic, Dichloroacetic acid, Chromium (hexavalent), Nitrate and nitrite, Tetrachloroethylene (perchloroethylene), Bromoform, Uranium, Nitrate, Chlorate, Radium, combined (-226 and -228). 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 GOLETA WATER DISTRICT (system ID CA4210004) 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
12/13/2023last 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 GOLETA WATER DISTRICT.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 34.4 ppb, 573x above the EWG health guideline of 0.06 ppb.

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.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 46.2 ppb, 308x above the EWG health guideline of 0.15 ppb.

Arsenic detected

Moderate concern

Arsenic detected at 0.165 ppb.

Contact GOLETA WATER DISTRICT

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

Recommended water filters for GOLETA

Filters matched to the specific contaminants in this water supply.

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 64/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
12 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
15 / 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
Haloacetic acids (HAA9)
Disinfection byproduct
34.4 ppb 0.06 — — — — — 573× over
Haloacetic acids (HAA5)
Disinfection byproduct
36.2 ppb 0.1 60.0 60 — — — 362× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
46.2 ppb 0.15 80.0 100 — — — 308× over
Bromodichloromethane
Disinfection byproduct
14.5 ppb 0.06 — — — — — 242× over
Dibromochloromethane
Disinfection byproduct
10.3 ppb 0.1 — — — — — 103× over
Dibromoacetic acid
Disinfection byproduct
2.11 ppb 0.03 — — — — — 70× over
Trichloroacetic acid
Disinfection byproduct
6.3 ppb 0.1 — — — — — 63× over
Chloroform
Disinfection byproduct
19.5 ppb 0.4 — — — — — 49× over
Arsenic
Heavy metal
0.165 ppb 0.004 10.0 10 10 0.004 — 41× over
Dichloroacetic acid
Disinfection byproduct
7.37 ppb 0.2 — — — — — 37× over
Chromium (hexavalent)
Heavy metal
0.192 ppb 0.02 — — — — — 9.6× over
Nitrate and nitrite
Inorganic
0.617 ppm 0.14 10.0 11.3 11.3 10 — 4.4× over
Tetrachloroethylene (perchloroethylene)
Volatile organic compound
0.252 ppb 0.06 5.0 — — — — 4.2× over
Bromoform
Disinfection byproduct
1.78 ppb 0.5 — — — — — 3.6× over
Uranium
Radiological
1.53 pCi/L 0.43 20.0 30 30 0.43 — 3.6× over
Nitrate
Inorganic
0.341 ppm 0.14 10.0 11.3 11.3 10 — 2.4× over
Chlorate
Disinfection byproduct
323.8 ppb 210.0 — — — — — 1.5× over
Radium, combined (-226 and -228)
Radiological
0.07 pCi/L 0.05 5.0 — — — — 1.4× over
Bromochloromethane
Other
0.0273 ppb 0.06 — — — — — Below guideline
Manganese
Heavy metal
27.2 ppb 100.0 — 50 80 — — Below guideline
1,2,3-Trichloropropane
Other
0.0001 ppb 0.0007 — — — — — Below guideline
Molybdenum
Other
4.32 ppb 40.0 — — — — — Below guideline
Vanadium
Other
1.72 ppb 21.0 — — — — — Below guideline
Aluminum
Heavy metal
21.1 ppb 600.0 — 200 — 600 — Below guideline
Selenium
Heavy metal
0.873 ppb 30.0 50.0 20 40 30 — Below guideline
1,4-Dioxane
Semi-volatile organic compound
0.00244 ppb 0.35 — — 50 1 — Below guideline
Barium
Heavy metal
3.45 ppb 700.0 2000.0 — 1300 2000 — Below guideline
Monobromoacetic acid
Disinfection byproduct
0.12 ppb 25.0 — — — — — Below guideline
Strontium
Radiological
1.04 ppb 1500.0 — — — — — Below guideline
Monochloroacetic acid
Disinfection byproduct
0.0296 ppb 53.0 — — — — — Below guideline
Fluoride
Inorganic
0.359 ppm — 4.0 1.5 1.5 — — Below guideline
Germanium
Other
0.285 ppb — — — — — — 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.

GOLETA WATER DISTRICT service area

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

About this water system

Public Water System ID
CA4210004
Owner type
Local government
Source water
Surface water
Service connections
16,436
Service area
GOLETA, Santa Barbara County, California