Public water system · MO5010458

Active

Lebanon Pws

At a glance

Lebanon Pws (PWSID MO5010458) is an active community water system in Laclede County, Missouri. It reports serving 15,442 people through 6,405 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 6 are health-based, and the most recent began in July 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

15,442

Service connections

6,405

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDMO5010458

System typeCommunity water system

Activity statusActive

Population served15,442

Service connections6,405

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyMO state drinking water program

City servedLebanon

StateMissouri

ZIP—

CountyLaclede County

How does Lebanon Pws compare with other water systems in Laclede County?

By EPA's size categories, Lebanon Pws is a large system (10,001 to 100,000 people). Laclede County has 14 active public water systems, and Lebanon Pws is the largest of them by population served. Its population served is about 6.8 times the county average of 2,281 people per system, and accounts for 48% of the 31,939 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Lebanon Pws is about 130% above that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Missouri has 1,612 active community water systems, 55% of the state's 2,943 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,521 Missouri systems (86%) list groundwater as their primary source.

Who owns and regulates Lebanon Pws?

EPA lists Lebanon Pws as owned by a local government. The MO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 14 active systems in Laclede County (43%) are also owned by a local government.

Does Lebanon Pws have drinking water violations?

EPA's records list 10 violations for this system; 6 are health-based, and the most recent began in July 2025. The violations listed here began between September 1996 and July 2025. By type: 6 contaminant level above the legal limit and 4 monitoring and reporting. The contaminant or rule involved most often is Thallium (4 of them). EPA lists 10 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

Began	Violation	Contaminant or rule	Health-based	Status
2025-07-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2023-07-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2016-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Thalliumcode 1085	Yes	Resolved
2016-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Thalliumcode 1085	Yes	Resolved
2016-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Thalliumcode 1085	Yes	Resolved
2016-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Thalliumcode 1085	Yes	Resolved
2013-05-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
2009-12-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
2007-06-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1996-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved

All 10 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Lebanon Pws: frequently asked questions

Who runs Lebanon Pws?

Lebanon Pws (PWSID MO5010458) is a community water system owned by a local government. It is regulated by the MO state drinking water program.

How many people does Lebanon Pws serve?

Lebanon Pws reports serving 15,442 people through 6,405 service connections in Laclede County, Missouri.

Where does Lebanon Pws get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Lebanon Pws have any drinking water violations?

EPA's records list 10 violations for this system; 6 are health-based, and the most recent began in July 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Lebanon Pws' water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 10 violations for this system; 6 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.

Where can I find Lebanon Pws' water quality report?

As a community water system, Lebanon Pws must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Laclede County

Water system	County	Population served	Type	Source
Laclede County Pwsd 1	Laclede	8,550	Community	Groundwater
Laclede County Pwsd 3	Laclede	6,075	Community	Groundwater
Conway Pws	Laclede	788	Community	Groundwater
Laclede County Pwsd 2	Laclede	510	Community	Groundwater
Bennett Spring Campground	Laclede	200	Transient non-community	Groundwater
Sign Fab Inc.	Laclede	93	Non-transient non-community	Groundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Lebanon Pws, PWSID MO5010458, Missouri”, https://aquacensus.com/water-systems/missouri/lebanon-pws-mo5010458 (data as of October 1, 2026).