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Public water system record

Ryderwood Improvement & Service As

Serves an area of Cowlitz County, WA that includes Ryderwood · 434 people served

Federal records show no health-based violations and 3 monitoring/reporting issues for Ryderwood Improvement & Service As in the last ten years.

  • WA5375100
  • KELSO
  • WA
  • 434 served

System profile

Source water Surface water
ZIP 98626
EPA system ID WA5375100

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
3

Key facts

  • Ryderwood Improvement & Service As draws water from 1 well and 1 surface water intake (1 of them for emergency, seasonal or other part-time use).
  • Record on file since 1979, with 11 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 296 service lines.

Check whether Ryderwood Improvement & Service As serves your address

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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
Surface Water Treatment Rule
Monitoring and reporting
 Oct 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
 Jun 1, 2022 Resolved

Full record since 1979

EPA's records for Ryderwood Improvement & Service As go back to 1979. Before October 19, 2016 they list 11 health-based violations (11 archived by EPA without a recorded fix) and 39 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 7
1990s 9 0
2000s 2 31
2010 to October 18, 2016 0 1
2020s 0 3

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began March 2008, Archived.

Show all 11 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
 Mar 1, 2008 Archived
Surface Water Treatment Rule
Treatment technique failure
 Dec 1, 2007 Archived
Surface Water Treatment Rule
Treatment technique failure
 Sep 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
 Aug 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
 Jun 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
 May 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
 Apr 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
 Mar 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
 Feb 1, 1994 Archived
Surface Water Treatment Rule
Treatment technique failure
 Jan 1, 1994 Archived

Where the water comes from

Ryderwood Improvement & Service As draws water from 1 well and 1 surface water intake (1 of them for emergency, seasonal or other part-time use).

Annual water quality report

Ryderwood Improvement & Service As 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Ryderwood Improvement & Service As for a copy.

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