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Public water system record

Chehalis Water Department

Serves Chehalis, Lewis County, WA · 11,718 people served

Federal records show no health-based violations and 2 monitoring/reporting issues for Chehalis Water Department in the last ten years.

  • WA5312250
  • CHEHALIS
  • WA
  • 11,718 served

System profile

Source water Surface water
ZIP 98532
EPA system ID WA5312250

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Chehalis Water Department draws water from 2 surface water intakes.
  • Record on file since 1979, with 4 health-based violations before October 19, 2016.

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Health-based violations

Since October 2016

Violation 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 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Consumer Confidence Rule
OTHER
 Jul 1, 2024 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2022 Resolved

Full record since 1979

EPA's records for Chehalis Water Department go back to 1979. Before October 19, 2016 they list 4 health-based violations (4 archived by EPA without a recorded fix) and 33 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 1
1990s 3 0
2000s 1 32
2020s 0 2

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began May 2005, Archived.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
 May 1, 2005 Archived
Surface Water Treatment Rule
Treatment technique failure
 Apr 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
 Oct 1, 1993 Archived
Total Coliform
Contaminant limit exceeded
 Apr 1, 1992 Archived

Where the water comes from

Chehalis Water Department draws water from 2 surface water intakes. It also has an emergency connection to Centralia Public Works - Water. 1 other community water system buys water from Chehalis Water Department. 1 other public water system has an emergency connection to Chehalis Water Department.

Emergency or part-time connections to

Community systems that buy water from it

Annual water quality report

Chehalis Water Department 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