Public water system · KS2010306

Active

Tonganoxie, City of

At a glance

City of Tonganoxie (PWSID KS2010306) is an active community water system in Leavenworth County, Kansas. It reports serving 5,702 people through 2,213 service connections. Its primary water source is purchased groundwater under influence, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2022.

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

Population served

5,702

Service connections

2,213

Primary source

GUP

Purchased groundwater under influence

System type

CWS

Community water system

System record

PWSIDKS2010306

System typeCommunity water system

Activity statusActive

Population served5,702

Service connections2,213

Primary water sourcePurchased groundwater under influence

Owner typeLocal government

Primacy agencyKS state drinking water program

City servedTonganoxie

StateKansas

ZIP—

CountyLeavenworth County

How does City of Tonganoxie compare with other water systems in Leavenworth County?

By EPA's size categories, City of Tonganoxie is a medium system (3,301 to 10,000 people). Leavenworth County has 16 active public water systems, and City of Tonganoxie is the 4th-largest of them by population served. Its population served is about 10% above the county average of 5,177 people per system, and accounts for 6.9% 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 City of Tonganoxie is about 15% below 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. Purchased groundwater under the influence of surface water means the system buys that kind of water from another public water system. 8 Kansas systems (0.8%) list purchased groundwater under influence as their primary source.

Who owns and regulates City of Tonganoxie?

EPA lists City of Tonganoxie as owned by a local government. 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. 13 of the 16 active systems in Leavenworth County (81%) are also owned by a local government.

Does City of Tonganoxie have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2022. The violations listed here began between May 2006 and April 2022. By type: 8 monitoring and reporting, 2 public notice, recordkeeping or other and 2 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (10 of them). EPA lists 12 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
2022-04-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2021-09-29	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2021-01-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2020-09-29	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2020-03-31	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2019-09-29	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2018-09-29	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2012-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2011-01-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2010-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2010-01-01	Required treatment not metOCCT/SOWT Treatment Installation/Demonstration · code 58	Lead and Copper Rulecode 5000	Yes	Resolved
2006-05-01	Required treatment not metOCCT/SOWT Study/Recommendation · code 57	Lead and Copper Rulecode 5000	Yes	Resolved

The 12 most recent 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.

City of Tonganoxie: frequently asked questions

Who runs City of Tonganoxie?

City of Tonganoxie (PWSID KS2010306) is a community water system owned by a local government. It is regulated by the KS state drinking water program.

How many people does City of Tonganoxie serve?

City of Tonganoxie reports serving 5,702 people through 2,213 service connections in Leavenworth County, Kansas.

Where does City of Tonganoxie get its water?

EPA SDWIS lists this system's primary water source as purchased groundwater under influence. Purchased groundwater under the influence of surface water means the system buys that kind of water from another public water system.

Does City of Tonganoxie have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2022. 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 City of Tonganoxie'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. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the KS state drinking water program.

Where can I find City of Tonganoxie's water quality report?

As a community water system, City of Tonganoxie 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 system	County	Population served	Type	Source
Leavenworth Water Department	Leavenworth	38,757	Community	Surface water
Fort Leavenworth American Water Ent LLC	Leavenworth	12,934	Community	Groundwater
Lan Del Water District	Leavenworth	7,302	Community	Purchased surface water
Suburban Water Company	Leavenworth	4,700	Community	Purchased groundwater under influence
Leavenworth Co Rwd 1c	Leavenworth	3,200	Community	Purchased groundwater under influence
Leavenworth Co Rwd 7	Leavenworth	3,000	Community	Groundwater

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Tonganoxie, City of, PWSID KS2010306, Kansas”, https://aquacensus.com/water-systems/kansas/tonganoxie-city-of-ks2010306 (data as of October 1, 2026).