Public water system record

Lewis Co Water Dist #2

Serves Onalaska, Lewis County, WA · 1,983 people served

Federal records show no health-based violations and 4 monitoring/reporting issues for Lewis Co Water Dist #2 in the last ten years.

  • WA5347001
  • ONALASKA
  • WA
  • 1,983 served

System profile

Source water Groundwater
ZIP 98570
EPA system ID WA5347001

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
4

Key facts

  • Lewis Co Water Dist #2 draws water from 2 wells.
  • Record on file since 1979, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 32 unknown out of 239 service lines.

Check whether Lewis Co Water Dist #2 serves your address

Address suggestions by Mapbox

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
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2016 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2016 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2016 Resolved

Full record since 1979

EPA's records for Lewis Co Water Dist #2 go back to 1979. Before October 19, 2016 they list 2 health-based violations (2 archived by EPA without a recorded fix) and 512 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 9
1990s 2 10
2000s 0 477
2010 to October 18, 2016 0 16
October 19, 2016 to 2019 0 1

Most recent health-based violation before October 19, 2016: Total Coliform, began July 1996, Archived.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Jul 1, 1996 Archived
Total Coliform
Contaminant limit exceeded
Jun 1, 1992 Archived

Where the water comes from

Lewis Co Water Dist #2 draws water from 2 wells.

Annual water quality report

Lewis Co Water Dist #2 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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.