Spokane Water Quality
Washington
The tap water in Spokane, Washington is served by 34 EPA-regulated water systems covering approximately 426,946 people. 17 health-based violations are on record, most recently for 1040 in 2024. Data source: EPA Safe Drinking Water Information System.
Drinking water in Spokane, Washington is delivered through 34 EPA-regulated community water systems serving an estimated 426,946 people. Each system is tracked in the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act, which requires testing for regulated contaminants, consumer notification of violations, and publication of an annual Consumer Confidence Report.
The SDWIS record for Spokane shows 17 total violations across all 34 systems, of which 17 are health-based, meaning either a Maximum Contaminant Level (MCL) was exceeded or a required treatment technique was not followed. Contaminants cited in health-based violations include 1040, 8000. 17 TRI-reporting industrial facilities are also located within the city limits.
A past EPA violation does not mean the water is currently unsafe, utilities are required to notify customers and remediate under state primacy oversight. For current water-quality status and treatment practices, review your local utility's most recent Consumer Confidence Report or contact the Washington drinking water program. All records above reflect federal EPA SDWIS data and are not independently verified against state databases.
Community Water Systems
| System Name | Pop. Served | Violations | Status |
|---|---|---|---|
| SPOKANE CITY OF | 343,167 | 0 | Clean |
| SPO CO WATER DIST 3 SYS 1 | 18,983 | 0 | Clean |
| MODERN ELECTRIC WATER CO | 18,487 | 0 | Clean |
| MODEL IRRIGATION DIST #18 | 7,903 | 0 | Clean |
| PASADENA PARK IRR DIST 17 | 6,269 | 0 | Clean |
| SPO CO WATER DIST 3 SYS 4 | 6,155 | 0 | Clean |
| ORCHARD AVENUE IRRIGATION DIST 6 | 4,330 | 0 | Clean |
| TRENTWOOD IRRIGATION DISTRICT 3 | 4,228 | 0 | Clean |
| IRVIN WATER DISTRICT #6 | 4,150 | 0 | Clean |
| SPO CO WATER DIST 3 SYS 3 | 3,765 | 0 | Clean |
| North Spokane Irrigation District 8 | 2,214 | 0 | Clean |
| MILLWOOD CITY OF | 1,925 | 4 | Health |
| WHITWORTH UNIVERSITY | 1,200 | 0 | Clean |
| RIDGE WATER ASSOCIATION | 615 | 0 | Clean |
| SPO CO WATER DIST 3 SYS 5 | 485 | 0 | Clean |
| WEST PRAIRIE VILLAGE | 375 | 0 | Clean |
| SPO CO WATER DIST 3 SYS 8 | 375 | 0 | Clean |
| SPO CO WATER DIST 3 SYS 6 | 358 | 0 | Clean |
| CHATTAROY VALLEY MOBILE ESTATES | 333 | 0 | Clean |
| River Bluff Water System | 330 | 0 | Clean |
| DUFORT WATER ASSOCIATION | 216 | 0 | Clean |
| MULLEN HILL TERRACE MHP | 207 | 0 | Clean |
| MOUNT ST MICHAELS SCHOOL & CHURCH | 162 | 0 | Clean |
| SPO CO WATER DIST 3 SYS 9 | 105 | 0 | Clean |
| PINE ACRES MOBILE HOME PARK | 100 | 2 | Health |
| INDIAN VILLAGE ESTATES WATER ASSN | 90 | 0 | Clean |
| BEAR CLAW SUBD | 70 | 0 | Clean |
| SHADY PINES TRAILER COURT | 70 | 0 | Clean |
| PONDORAY SHORES WATER & SEWER | 63 | 0 | Clean |
| TEEN CHALLENGE | 61 | 11 | Health |
| RIVERVALE WATER ASSN | 48 | 0 | Clean |
| HIDDEN HILLS ESTATES | 39 | 0 | Clean |
| WOODLAND PARK TRAILER COURT | 38 | 0 | Clean |
| RIDGEVIEW PARK ESTATES | 30 | 0 | Clean |
Does this city have health-based water violations?
Health-based violations indicate contaminant levels that exceeded EPA maximum contaminant levels (MCLs). This does not necessarily mean water is currently unsafe.
| Contaminant | Begin Date |
|---|---|
| 1040 | 2024-10-01 |
| 1040 | 2024-10-01 |
| 1040 | 2024-07-01 |
| 1040 | 2024-04-01 |
| 1040 | 2024-04-01 |
| 1040 | 2024-01-01 |
| 1040 | 2024-01-01 |
| 1040 | 2024-01-01 |
| 1040 | 2024-01-01 |
| 1040 | 2024-01-01 |
| 1040 | 2024-01-01 |
| 8000 | 2022-11-01 |
| 8000 | 2022-11-01 |
| 8000 | 2022-11-01 |
| 8000 | 2022-11-01 |
| 8000 | 2018-02-01 |
| 8000 | 2018-02-01 |
TRI Facilities in Spokane
| Facility | Total Releases |
|---|---|
| Inland Empire Paper Co | 21.9K lbs |
| Central Pre-Mix Sullivan Road | 15.3K lbs |
| Par Montana Spokane Terminal | 14.0K lbs |
| Pyrotek Inc | 9.2K lbs |
| Goodrich Landing Systems Carbon Operations | 8.1K lbs |
| Phillips 66 Spokane-Parkwater Terminal | 7.7K lbs |
| Central Pre-Mix Concrete Co. Crestline Facility | 5.1K lbs |
| Travis Pattern & Foundry Inc | 1.7K lbs |
| Steelfab of Oregon | 197 lbs |
| Elkay Plumbing Products Co | 91 lbs |
Frequently Asked Questions
Is Spokane, Washington water safe to drink? ▼
How many water violations does Spokane have? ▼
What contaminants were found in Spokane water? ▼
How many water systems serve Spokane? ▼
Where does Spokane get its drinking water? ▼
Are there pollution sources near Spokane? ▼
About This Data
Water system data comes from the EPA's Safe Drinking Water Information System (SDWIS). Violations are reported by state agencies to EPA and include both health-based (MCL exceedances) and monitoring/reporting violations.
A reported violation does not necessarily mean water is currently unsafe to drink. Many violations are resolved quickly, and public water systems are required to notify customers of significant issues. For current water quality, contact your local water utility.
TRI facility data comes from the EPA Toxic Release Inventory. Facilities shown are those that self-report to the TRI program. PlainEnviro presents this data without advocacy framing.
Read our methodology - how this data is sourced, computed, and verified.