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Public water system · KS2010317

Active

Leavenworth Water Department

At a glance

Leavenworth Water Department (PWSID KS2010317) is an active community water system in Leavenworth County, Kansas. It reports serving 38,757 people through 11,273 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in December 2017.

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

Population served

38,757

Service connections

11,273

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDKS2010317
System typeCommunity water system
Activity statusActive
Population served38,757
Service connections11,273
Primary water sourceSurface water
Owner typePrivate
Primacy agencyKS state drinking water program
City servedLeavenworth
StateKansas
ZIP—
CountyLeavenworth County

How does Leavenworth Water Department compare with other water systems in Leavenworth County?

By EPA's size categories, Leavenworth Water Department is a large system (10,001 to 100,000 people). Leavenworth County has 16 active public water systems, and Leavenworth Water Department is the largest of them by population served. Its population served is about 7.5 times the county average of 5,177 people per system, and accounts for 47% of the 82,837 people reported by systems filed under the county. Across Kansas, the 1,041 active systems average 2,800 people each. Nationally, the average active community water system reports serving 6,703 people, so Leavenworth Water Department is about 5.8 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. Kansas has 863 active community water systems, 83% of the state's 1,041 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 75 Kansas systems (7.2%) list surface water as their primary source.

Who owns and regulates Leavenworth Water Department?

EPA lists Leavenworth Water Department as privately owned. The KS state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 16 active systems in Leavenworth County (19%) are also privately owned.

Does Leavenworth Water Department have drinking water violations?

EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in December 2017. The violations listed here began between November 1993 and December 2017. By type: 3 monitoring and reporting, 3 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 7 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.

BeganViolationContaminant or ruleHealth-basedStatus
2017-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2004-12-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2002-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2000-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1999-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1998-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1993-11-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved

All 7 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.

Leavenworth Water Department: frequently asked questions

Who runs Leavenworth Water Department?

Leavenworth Water Department (PWSID KS2010317) is a community water system privately owned. It is regulated by the KS state drinking water program.

How many people does Leavenworth Water Department serve?

Leavenworth Water Department reports serving 38,757 people through 11,273 service connections in Leavenworth County, Kansas.

Where does Leavenworth Water Department get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Leavenworth Water Department have any drinking water violations?

EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in December 2017. 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 Leavenworth Water Department's 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 7 violations for this system; 3 are health-based, and the most recent began in December 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the KS state drinking water program.

Where can I find Leavenworth Water Department's water quality report?

As a community water system, Leavenworth Water Department 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 Leavenworth County

Water systemCountyPopulation servedTypeSource
Fort Leavenworth American Water Ent LLCLeavenworth12,934CommunityGroundwater
Lan Del Water DistrictLeavenworth7,302CommunityPurchased surface water
Tonganoxie, City ofLeavenworth5,702CommunityPurchased groundwater under influence
Suburban Water CompanyLeavenworth4,700CommunityPurchased groundwater under influence
Leavenworth Co Rwd 1cLeavenworth3,200CommunityPurchased groundwater under influence
Leavenworth Co Rwd 7Leavenworth3,000CommunityGroundwater

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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, “Leavenworth Water Department, PWSID KS2010317, Kansas”, https://aquacensus.com/water-systems/kansas/leavenworth-water-department-ks2010317 (data as of October 1, 2026).