Drinking Water Systems in SAN BERNARDINO, California
13 water systems are reported for this city, with a combined service population of 377,965. The systems have 8 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving SAN BERNARDINO
SBDNO COUNTY SERVICE AREA 70 CEDAR GLEN
1,240 served7 historical records1 recent
B
SBDNO COUNTY SERVICE AREA 64
14,911 served1 historical record
A
SBDNO COUNTY SERVICE AREA 70J
12,843 served1 historical record
A
CSA 70 W-4 PIONEERTOWN
470 served17 historical records
A
CSA 42 ORO GRANDE
529 served2 historical records
A
CSA 70-F MORONGO
300 served10 historical records1 recent
C
CSA 70 W-3 HACIENDA
611 served1 historical record
A
SAN BERNARDINO CITY
214,665 served1 historical record
A
GLEN HELEN WATER SYSTEM
5,900 served0 historical records
A
GILBERT STREET COMPLEX
3,833 served2 historical records
A
CAMP WATERMAN MWC
55 served2 historical records
A
SAN BERNARDINO VALLEY WD
109,608 served0 historical records
A
MUSCOY MWC NO. 1
13,000 served7 historical records6 recent
C
EPA Contaminant Categories in Historical Violation Records
Uranium9 records
Gross Alpha9 records
Revised Total Coliform Rule6 records
Fluoride5 records
Coliform (TCR)4 records
Arsenic3 records
Nitrate1 record
Total Trihalomethanes (TTHMs)1 record
Lead and Copper Rule1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.