Is Kennewick, Washington tap water safe?

14 water systems report serving Kennewick. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.

C

City of Kennewick

Serves 118,164 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOS; Other PFAS above 2024 limits (rule proposed for repeal): PFHxS, Hazard Index; Lead 90th percentile below the action level (2025).
B

Pasco Water Department

Serves 115,102 people · Surface water · Full report →
No health-based violations in the last 5 years; 22 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
A

Summit View Water System

Serves 1,869 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A

Bc Water Co

Serves 1,262 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A

Community Sewer and Water District

Serves 1,200 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A

Canyon Village Water System Inc

Serves 310 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
C

Homestead Manufactured Housing

Serves 300 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 7 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A

Clark Addition Water System

Serves 189 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A

Southgate Water Company

Serves 175 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
B

Columbia Place LLC

Serves 125 people · Groundwater · Full report →
No health-based violations in the last 5 years; 7 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
D

Sundance Improvement Association

Serves 100 people · Groundwater · Full report →
6 health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A

Eaton Park Subdivision

Serves 70 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
B

J & B Orchards - South

Serves 63 people · Groundwater · Full report →
No health-based violations in the last 5 years; 20 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B

Good Neighbors Water Assn

Serves 40 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 3 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).