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California · 896,553 people served · 10 water systems
ZIP code 94010 is in California and is a large city from a drinking-water-service perspective, with 896,553 people served by 10 EPA-registered public water systems. It overlaps with 2 communities including HILLSBOROUGH, BURLINGAME.
Within ZIP code 94010, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 10 water systems serving this postal area.
Last updated: 2026-05-18 · Source: EPA SDWIS
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TOWN OF HILLSBOROUGH
PWSID: CA4110016
11,766 served
SAN FRANCISCO REGIONAL WATER SYSTEM
PWSID: CA3810001
600 served
HHW&P MOCCASIN COMPOUND-SFPUC
PWSID: CA3810003
410 served
SFPUC CITY DISTRIBUTION DIVISION
PWSID: CA3810011
848,019 served
TREASURE ISLAND
PWSID: CA3810702
3,864 served
TOWN OF SUNOL - SFPUC
PWSID: CA0110012
281 served
SFPUC-PLEASANTON WELLS
PWSID: CA0110018
1 served
THOMAS SHAFT WHOLESALE
PWSID: CA3810008
1 served
CITY OF BURLINGAME
PWSID: CA4110003
31,451 served
IL VINETO
PWSID: CA3900624
160 served
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
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