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Water Quality Report · Updated October 07, 2026

SFPUC CITY DISTRIBUTION DIVISION

Serving 848,019 residents in BURLINGAME, California .

National rank 63th percentile
California rank 78th percentile
Data confidence Medium
Quick answer

SFPUC CITY DISTRIBUTION DIVISION delivers tap water graded C (74/100) by TapWaterSafety.org. The utility serves approximately 848,019 residents in BURLINGAME, California using surface water (purchased). 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 650-652-3100.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
848,019
People served
1
City served
27
Contaminants detected
13
Above health guidelines

Is BURLINGAME tap water safe to drink?

SFPUC CITY DISTRIBUTION DIVISION delivers tap water that earns a grade of C (74/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.

The utility serves 848,019 residents in BURLINGAME, drawing from surface water (purchased).

Public testing data identifies 13 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs), Trichloroacetic acid, Dichloroacetic acid, Chloroform, Bromodichloromethane, Nitrate*, Nitrate and nitrite*, Arsenic*, Dibromochloromethane, Chromium (hexavalent), Bromate*. 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 SFPUC CITY DISTRIBUTION DIVISION (system ID CA3810011) 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
03/14/2023last 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 SFPUC CITY DISTRIBUTION DIVISION.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 39.5 ppb, 658x above the EWG health guideline of 0.06 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 34.4 ppb, 344x above the EWG health guideline of 0.1 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 33.2 ppb, 222x above the EWG health guideline of 0.15 ppb.

Arsenic detected

Moderate concern

Arsenic detected at 0.0788 ppb.

Contact SFPUC CITY DISTRIBUTION DIVISION

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

Recommended water filters for BURLINGAME

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 74/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
17 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
20 / 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
39.5 ppb 0.06 — — — — — 658× over
Haloacetic acids (HAA5)
Disinfection byproduct
34.4 ppb 0.1 60.0 60 — — — 344× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
33.2 ppb 0.15 80.0 100 — — — 222× over
Trichloroacetic acid
Disinfection byproduct
9.57 ppb 0.1 — — — — — 96× over
Dichloroacetic acid
Disinfection byproduct
17.1 ppb 0.2 — — — — — 86× over
Chloroform
Disinfection byproduct
30.4 ppb 0.4 — — — — — 76× over
Bromodichloromethane
Disinfection byproduct
2.33 ppb 0.06 — — — — — 39× over
Nitrate*
Inorganic
3.28 ppm 0.14 10.0 11.3 11.3 10 — 23× over
Nitrate and nitrite*
Inorganic
2.95 ppm 0.14 10.0 11.3 11.3 10 — 21× over
Arsenic*
Heavy metal
0.0788 ppb 0.004 10.0 10 10 0.004 — 20× over
Dibromochloromethane
Disinfection byproduct
0.475 ppb 0.1 — — — — — 4.8× over
Chromium (hexavalent)
Heavy metal
0.0853 ppb 0.02 — — — — — 4.3× over
Bromate*
Disinfection byproduct
0.4 ppb 0.1 10.0 10 10 0.1 — 4.0× over
Chlorate
Disinfection byproduct
132.6 ppb 210.0 — — — — — Below guideline
Dibromoacetic acid
Disinfection byproduct
0.016 ppb 0.03 — — — — — Below guideline
Uranium*
Radiological
0.21 pCi/L 0.43 20.0 30 30 0.43 — Below guideline
Perchlorate*
Disinfection byproduct
0.332 ppb 1.0 — — — — — Below guideline
Aluminum*
Heavy metal
9.16 ppb 600.0 — 200 — 600 — Below guideline
Manganese
Heavy metal
1.4 ppb 100.0 — 50 80 — — Below guideline
Monochloroacetic acid
Disinfection byproduct
0.549 ppb 53.0 — — — — — Below guideline
Vanadium
Other
0.132 ppb 21.0 — — — — — Below guideline
Barium*
Heavy metal
2.34 ppb 700.0 2000.0 — 1300 2000 — Below guideline
Strontium
Radiological
0.952 ppb 1500.0 — — — — — Below guideline
Bromide*
Other
9.28 ppb — — — — — — Below guideline
Chromium (total)*
Heavy metal
3.03 ppb — 100.0 — — — — Below guideline
Fluoride
Inorganic
0.669 ppm — 4.0 1.5 1.5 — — Below guideline
Quinoline
Other
0.092 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.

SFPUC CITY DISTRIBUTION DIVISION service area

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

About this water system

Public Water System ID
CA3810011
Owner type
Local government
Source water
Surface water (purchased)
Service connections
171,099
Service area
BURLINGAME, San Francisco County, California