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Public water system · KS2015903

Active

Lyons, City of

At a glance

City of Lyons (PWSID KS2015903) is an active community water system in Rice County, Kansas. It reports serving 3,556 people through 1,753 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024.

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

Population served

3,556

Service connections

1,753

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDKS2015903
System typeCommunity water system
Activity statusActive
Population served3,556
Service connections1,753
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyKS state drinking water program
City servedLyons
StateKansas
ZIP—
CountyRice County

How does City of Lyons compare with other water systems in Rice County?

By EPA's size categories, City of Lyons is a medium system (3,301 to 10,000 people). Rice County has 8 active public water systems, and City of Lyons is the largest of them by population served. Its population served is about 3.5 times the county average of 1,019 people per system, and accounts for 44% of the 8,153 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 Lyons is about half of 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 587 Kansas systems (56%) list groundwater as their primary source.

Who owns and regulates City of Lyons?

EPA lists City of Lyons 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. 8 of the 8 active systems in Rice County (100%) are also owned by a local government.

Does City of Lyons have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. The violations listed here began between January 2021 and October 2024. By type: 7 public notice, recordkeeping or other, 3 monitoring and reporting, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Public Notice (7 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2022-11-02Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2022-10-02Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2022-10-02Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2022-04-05Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2022-03-04Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2022-03-04Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2021-11-19Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2021-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

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 Lyons: frequently asked questions

Who runs City of Lyons?

City of Lyons (PWSID KS2015903) 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 Lyons serve?

City of Lyons reports serving 3,556 people through 1,753 service connections in Rice County, Kansas.

Where does City of Lyons 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 City of Lyons have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 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 City of Lyons' 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, none is health-based, and the most recent began in October 2024. 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 Lyons' water quality report?

As a community water system, City of Lyons 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 Rice County

Water systemCountyPopulation servedTypeSource
Sterling, City ofRice2,318CommunityGroundwater
Rice Co Rwd 1Rice900CommunityPurchased groundwater
Little River, City ofRice474CommunityGroundwater
Chase, City ofRice390CommunityGroundwater
Geneseo, City ofRice231CommunityGroundwater
Bushton, City ofRice199CommunityGroundwater

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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, “Lyons, City of, PWSID KS2015903, Kansas”, https://aquacensus.com/water-systems/kansas/lyons-city-of-ks2015903 (data as of October 1, 2026).