Public water system record
City of Kennewick
Serves Kennewick, Benton County, WA · 118,164 people served
Federal records show no health-based violations and 3 monitoring/reporting issues for City of Kennewick in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 3
Key facts
- City of Kennewick draws water from 2 wells, 1 surface water intake and 2 infiltration galleries (1 of them for emergency, seasonal or other part-time use).
- Record on file since 1979, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 24,155 service lines.
Check whether City of Kennewick serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
Full record since 1979
EPA's records for City of Kennewick go back to 1979. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1990s | 1 | 0 |
| 2010 to October 18, 2016 | 0 | 3 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 1993, Archived.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1993 | Archived |
Where the water comes from
City of Kennewick draws water from 2 wells, 1 surface water intake and 2 infiltration galleries (1 of them for emergency, seasonal or other part-time use). 1 other community water system buys water from City of Kennewick.
Community systems that buy water from it
- Metz Community & RV LLC Port Orchard, WA
Annual water quality report
City of Kennewick must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Washington.
Certified drinking water labs by state EPA guidance for private wells