Spokane, WA water quality
Spokane, WA is served by 59 public water systems, serving 449,250 people combined. Across those systems, we count 5 health-based violations in the last 5 years. The worst Tap Grade among them is C.
Water systems serving Spokane
SPOKANE CITY OF
Spokane, WA · 346,138 served
SPO CO WATER DIST 3 SYS 1
Spokane, WA · 19,035 served
MODERN ELECTRIC WATER CO
Spokane, WA · 18,487 served
MODEL IRRIGATION DIST #18
Spokane, WA · 7,903 served
PASADENA PARK IRR DIST 17
Spokane, WA · 6,269 served
SPO CO WATER DIST 3 SYS 4
Spokane, WA · 6,233 served
SPOKANE BUSINESS & INDUSTRIAL PARK
Spokane, WA · 5,000 served
ORCHARD AVENUE IRRIGATION DIST 6
Spokane, WA · 4,330 served
EAST SPOKANE WATER DIST 1
Spokane Valley, WA · 4,285 served
TRENTWOOD IRRIGATION DISTRICT 3
SPOKANE, WA · 4,228 served
IRVIN WATER DISTRICT #6
Spokane, WA · 4,150 served
SPO CO WATER DIST 3 SYS 3
Spokane, WA · 3,768 served
Providence SHMC
Spokane, WA · 3,199 served
North Spokane Irrigation District 8
SPOKANE, WA · 2,214 served
HUTCHINSON IRRIGATION DIST #16
Spokane Valley, WA · 2,209 served
MILLWOOD CITY OF
Spokane, WA · 1,925 served
CARNHOPE IRRIGATION DISTRICT 7
Spokane Valley, WA · 1,602 served
WHITWORTH UNIVERSITY
Spokane, WA · 1,200 served
KAISER ALUM - TRENTWOOD WORKS
Spokane, WA · 954 served
RIDGE WATER ASSOCIATION
Spokane, WA · 615 served
SPO CO WATER DIST 3 SYS 5
Spokane, WA · 485 served
SPO CO WATER DIST 3 SYS 8
Spokane, WA · 375 served
WEST PRAIRIE VILLAGE
Spokane, WA · 375 served
SPO CO WATER DIST 3 SYS 6
Spokane, WA · 358 served
CHATTAROY VALLEY MOBILE ESTATES
Spokane, WA · 333 served
River Bluff Water System
Spokane, WA · 330 served
SPO CO - FISH LAKE PARK
Spokane, WA · 306 served
SPOKANE RIVER REST AREA
Spokane, WA · 300 served
FOOTHILLS COMMUNITY CHURCH
Spokane, WA · 258 served
SPOKANE CHRISTIAN CENTER
Spokane, WA · 250 served
VALLEY VIEW ESTATES
SIOUX FALLS, SD · 230 served
MULLEN HILL TERRACE MHP
Spokane, WA · 207 served
Countryside 7 Day Adventist Elmntry
SPOKANE, WA · 165 served
MOUNT ST MICHAELS SCHOOL & CHURCH
Spokane, WA · 162 served
SPO CO WATER DIST 3 SYS 9
Spokane, WA · 105 served
CAMP SEKANI
Spokane, WA · 102 served
Wildrose RV Park
Spokane, WA · 102 served
Shot Glass Bar & Grill
Spokane Valley, WA · 100 served
PINE ACRES MOBILE HOME PARK
Spokane, WA · 100 served
SPO CO - BEAR LAKE PARK
Spokane Valley, WA · 100 served
INDIAN VILLAGE ESTATES WATER ASSN
Spokane, WA · 90 served
SHADY PINES TRAILER COURT
Spokane, WA · 70 served
TEEN CHALLENGE
Spokane, WA · 61 served
MUTUAL MATERIALS COMPANY
Spokane Valley, WA · 55 served
RIVERVALE WATER ASSN
Spokane, WA · 48 served
COMMELLINIS RESTAURANT
Spokane, WA · 46 served
TWIN CEDARS WATER SYSTEM
Spokane, WA · 46 served
SMART GARDENS WATER
Spokane, WA · 43 served
Andrus Water System
Spokane, WA · 41 served
HIDDEN HILLS ESTATES
Spokane, WA · 39 served
WOODLAND PARK TRAILER COURT
Spokane, WA · 38 served
COSV - SULLIVAN PARK
Spokane, WA · 32 served
RIDGEVIEW PARK ESTATES
Spokane, WA · 30 served
Zephyr Lodge
Spokane, WA · 28 served
CROSSWIND CHURCH
Spokane, WA · 27 served
PATTERSON ADDITION
Spokane, WA · 22 served
SPOKANE RIFLE CLUB NORTH
SPOKANE, WA · 19 served
SPOKANE RIFLE CLUB SOUTH
SPOKANE, WA · 18 served
SUN COVE RESORT
Spokane, WA · 10 served
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Is Spokane, WA tap water safe to drink?
59 public water systems serve Spokane, WA, with 5 health-based violations in the last 5 years across them. The worst Tap Grade among them is C. A Tap Grade summarizes public EPA compliance records; it is not a determination that water is safe or unsafe to drink.
Does Spokane's water have lead in it?
The most recent 90th-percentile lead sample is 12.5 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in Spokane's water?
Yes — at least one water system serving Spokane has detected PFAS under UCMR5.
Source: EPA SDWIS/ECHO · Data as of 2026Q2
TapGraded presents public EPA data for information only — it is not health advice and not a determination that any water is safe or unsafe to drink. For health concerns, contact your water utility or local health department.