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Public water system record

Washington Water Works

Serves an area of Daviess County, IN that includes Washington · 13,690 people served

Federal records show 1 health-based violation and 2 monitoring/reporting issues for Washington Water Works in the last ten years. The most serious issue in this window was a resolved Stage 1 Disinfection Byproducts Rule violation.

  • IN5214007
  • WASHINGTON
  • IN
  • 13,690 served

System profile

Source water Groundwater
ZIP 47501
EPA system ID IN5214007

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Washington Water Works draws water from 10 wells.
  • Record on file since 1980, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 5,176 unknown out of 5,821 service lines.

Check whether Washington Water Works 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.

Contaminant Rule family Start date Status Acute
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
 210 Sep 5, 2025 Resolved No

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, 2025 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2023 Resolved

Full record since 1980

EPA's records for Washington Water Works go back to 1980. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 1
1990s 4 2
2020s 1 2

Most recent health-based violation before October 19, 2016: Total Coliform, began July 1998, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Jul 1, 1998 Resolved
Total Coliform
Contaminant limit exceeded
 May 1, 1998 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 1997 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 1993 Resolved

What the violations mean

Stage 1 Disinfection Byproducts Rule

1 incident

The system did not meet a treatment requirement of the Stage 1 Disinfectants and Disinfection Byproducts Rule

Byproducts form when disinfectants react with natural material in water. Long-term exposure above federal limits may increase cancer risk

Where the water comes from

Washington Water Works draws water from 10 wells. 1 other community water system buys water from Washington Water Works.

Community systems that buy water from it

Annual water quality report

Washington Water Works 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 Indiana.

Certified drinking water labs by state EPA guidance for private wells