Public water system · MO1010459

Active

Lees Summit Pws

At a glance

Lees Summit Pws (PWSID MO1010459) is an active community water system in Jackson County, Missouri. It reports serving 99,400 people through 39,042 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in May 2024.

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

Population served

99,400

Service connections

39,042

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDMO1010459

System typeCommunity water system

Activity statusActive

Population served99,400

Service connections39,042

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyMO state drinking water program

City servedLees Summit

StateMissouri

ZIP—

CountyJackson County

How does Lees Summit Pws compare with other water systems in Jackson County?

By EPA's size categories, Lees Summit Pws is a large system (10,001 to 100,000 people). Jackson County has 29 active public water systems, and Lees Summit Pws is the 2nd-largest of them by population served. Its population served is about 7 times the county average of 14,288 people per system, and accounts for 24% of the 414,341 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 Lees Summit Pws is about 15 times 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 179 Missouri systems (6.1%) list purchased surface water as their primary source.

Who owns and regulates Lees Summit Pws?

EPA lists Lees Summit 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. 17 of the 29 active systems in Jackson County (59%) are also owned by a local government.

Does Lees Summit Pws have drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in May 2024. The violations listed here began between July 2003 and May 2024. By type: 4 public notice, recordkeeping or other, 2 monitoring and 2 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (3 of them). EPA lists 8 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
2024-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-06-28	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2022-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2021-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2009-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2004-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2003-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved

All 8 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.

Lees Summit Pws: frequently asked questions

Who runs Lees Summit Pws?

Lees Summit Pws (PWSID MO1010459) is a community water system owned by a local government. It is regulated by the MO state drinking water program.

How many people does Lees Summit Pws serve?

Lees Summit Pws reports serving 99,400 people through 39,042 service connections in Jackson County, Missouri.

Where does Lees Summit Pws get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Lees Summit Pws have any drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in May 2024. 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 Lees Summit 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 8 violations for this system; none is health-based, and the most recent began in May 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.

Where can I find Lees Summit Pws' water quality report?

As a community water system, Lees Summit 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 Jackson County

Water system	County	Population served	Type	Source
Independence Pws	Jackson	120,000	Community	Groundwater
Blue Springs Pws	Jackson	61,084	Community	Purchased surface water
Jackson County Pwsd 1	Jackson	24,500	Community	Purchased groundwater
Raytown Water Company	Jackson	17,066	Community	Purchased surface water
Jackson County Pwsd 2	Jackson	16,440	Community	Purchased surface water
Grain Valley Pws	Jackson	16,000	Community	Purchased 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, “Lees Summit Pws, PWSID MO1010459, Missouri”, https://aquacensus.com/water-systems/missouri/lees-summit-pws-mo1010459 (data as of October 1, 2026).