Drinking Water Systems in Spokane, Washington
33 water systems are reported for this city, with a combined service population of 429,786. The systems have 43 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving Spokane
RIDGEVIEW PARK ESTATES
30 served16 historical records
A
ORCHARD AVENUE IRRIGATION DIST 6
4,330 served19 historical records
A
PATTERSON ADDITION
22 served31 historical records8 recent
C
PONDORAY SHORES WATER & SEWER
63 served6 historical records
A
MULLEN HILL TERRACE MHP
207 served130 historical records9 recent
C
MOUNT ST MICHAELS SCHOOL & CHURCH
162 served150 historical records3 recent
C
TRENTWOOD IRRIGATION DISTRICT 3
4,228 served38 historical records3 recent
C
SPOKANE CITY OF
346,138 served1 historical record
A
PINE ACRES MOBILE HOME PARK
100 served55 historical records
A
RIVERVALE WATER ASSN
48 served62 historical records
A
RIDGE WATER ASSOCIATION
615 served8 historical records2 recent
B
WHITWORTH UNIVERSITY
1,200 served93 historical records1 recent
B
North Spokane Irrigation District 8
2,214 served28 historical records
A
MILLWOOD CITY OF
1,925 served11 historical records2 recent
C
MODEL IRRIGATION DIST #18
7,903 served178 historical records2 recent
B
MODERN ELECTRIC WATER CO
18,487 served257 historical records
A
TEEN CHALLENGE
61 served3 historical records3 recent
D
HIDDEN HILLS ESTATES
39 served1 historical record
A
PASADENA PARK IRR DIST 17
6,269 served212 historical records1 recent
B
SPO CO WATER DIST 3 SYS 9
105 served97 historical records
A
SPO CO WATER DIST 3 SYS 6
358 served177 historical records
A
SPO CO WATER DIST 3 SYS 8
375 served2 historical records1 recent
B
River Bluff Water System
330 served5 historical records4 recent
C
SHADY PINES TRAILER COURT
70 served18 historical records
A
WOODLAND PARK TRAILER COURT
38 served26 historical records
A
CHATTAROY VALLEY MOBILE ESTATES
333 served127 historical records
A
INDIAN VILLAGE ESTATES WATER ASSN
90 served59 historical records2 recent
B
WEST PRAIRIE VILLAGE
375 served59 historical records
A
IRVIN WATER DISTRICT #6
4,150 served8 historical records2 recent
B
SPO CO WATER DIST 3 SYS 5
485 served2 historical records
A
SPO CO WATER DIST 3 SYS 1
19,035 served100 historical records
A
SPO CO WATER DIST 3 SYS 3
3,768 served151 historical records
A
SPO CO WATER DIST 3 SYS 4
6,233 served197 historical records
A
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)106 records
Benzene75 records
Pentachlorophenol66 records
Consumer Confidence Rule49 records
Di(2-ethylhexyl) phthalate40 records
Endrin40 records
Simazine40 records
HEXACHLOROBENZENE40 records
Heptachlor40 records
BHC-GAMMA40 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.