Public water system record

Lake Northwoods Utility Inc

Serves an area of Gasconade County, MO · 25 people served

Federal records show 1 health-based violation and 36 monitoring/reporting issues for Lake Northwoods Utility Inc in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

MO3031317
OWENSVILLE
MO
25 served

System profile

Source water Groundwater

ZIP 65066

EPA system ID MO3031317

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: 36

Key facts

Lake Northwoods Utility Inc draws water from 1 well.
Record on file since 2000, with 12 health-based violations before October 19, 2016.

Check whether Lake Northwoods Utility Inc serves your address

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
Revised Total Coliform Rule Treatment technique failure	110	Aug 25, 2025	Resolved	No

Monitoring and reporting issues

Since October 2016

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

Issue	Start date	Status
Groundwater Rule OTHER	Oct 31, 2025	Active
Public Notice OTHER	Oct 7, 2025	Active
E. coli Monitoring and reporting	Aug 1, 2025	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2025	Active
LEAD AND COPPER RULE REVISIONS RPT	Oct 17, 2024	Active
Consumer Confidence Rule OTHER	Jul 1, 2024	Active
Public Notice OTHER	Jan 22, 2023	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2022	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2021	Resolved
Nitrate-Nitrite Monitoring and reporting	Jan 1, 2021	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2020	Resolved
Chlordane Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Pentachlorophenol Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
HEXACHLOROBENZENE Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
2,4,5-TP Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
2,4-D Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Heptachlor epoxide Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Heptachlor Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
LASSO Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Atrazine Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Aldicarb Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Carbofuran Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Aldicarb sulfone Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Aldicarb sulfoxide Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Hexachlorocyclopentadiene Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Dinoseb Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Picloram Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Simazine Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
OXAMYL Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Dalapon Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Toxaphene Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Methoxychlor Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
BHC-GAMMA Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Endrin Monitoring and reporting	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
E. coli Monitoring and reporting	Jan 1, 2019	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2012	Resolved

Full record since 2000

EPA's records for Lake Northwoods Utility Inc go back to 2000. Before October 19, 2016 they list 12 health-based violations (12 resolved) and 22 monitoring or reporting violations.

Violations that began in	Health-based	Monitoring and reporting
2000s	11	19
2010 to October 18, 2016	1	3
October 19, 2016 to 2019	0	1
2020s	1	34

Most recent health-based violation before October 19, 2016: Total Coliform, began April 2011, Resolved.

Show all 12 health-based violations before October 19, 2016

Contaminant	Start date	Status
Total Coliform Contaminant limit exceeded	Apr 1, 2011	Resolved
Total Coliform Contaminant limit exceeded	Jun 1, 2009	Resolved
Total Coliform Contaminant limit exceeded	Apr 1, 2009	Resolved
Total Coliform Contaminant limit exceeded	Mar 1, 2009	Resolved
Total Coliform Contaminant limit exceeded	Feb 1, 2009	Resolved
Total Coliform Contaminant limit exceeded	Sep 1, 2003	Resolved
Total Coliform Contaminant limit exceeded	Nov 1, 2002	Resolved
Total Coliform Contaminant limit exceeded	Oct 1, 2002	Resolved
Total Coliform Contaminant limit exceeded	Sep 1, 2002	Resolved
Total Coliform Contaminant limit exceeded	Jun 1, 2001	Resolved
Total Coliform Contaminant limit exceeded	Nov 1, 2000	Resolved
Total Coliform Contaminant limit exceeded	Jul 1, 2000	Resolved

What the violations mean

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

Lake Northwoods Utility Inc draws water from 1 well.

Annual water quality report

Lake Northwoods Utility Inc 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 Lake Northwoods Utility Inc 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 Missouri.

Certified drinking water labs by state EPA guidance for private wells