Skip to content
AquaCensus

Public water system · KS2000307

Active

Colony, City of

At a glance

City of Colony (PWSID KS2000307) is an active community water system in Anderson County, Kansas. It reports serving 377 people through 215 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in December 2016.

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

Population served

377

Service connections

215

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDKS2000307
System typeCommunity water system
Activity statusActive
Population served377
Service connections215
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyKS state drinking water program
City servedColony
StateKansas
ZIP—
CountyAnderson County

How does City of Colony compare with other water systems in Anderson County?

By EPA's size categories, City of Colony is a very small system (500 people or fewer). Anderson County has 7 active public water systems, and City of Colony is the 4th-largest of them by population served. Its population served is about 64% below the county average of 1,039 people per system, and accounts for 5.2% of the 7,276 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 Colony is well 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 surface water means the system buys surface water from another public water system rather than drawing its own. 278 Kansas systems (27%) list purchased surface water as their primary source.

Who owns and regulates City of Colony?

EPA lists City of Colony 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. 7 of the 7 active systems in Anderson County (100%) are also owned by a local government.

Does City of Colony have drinking water violations?

EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in December 2016. The violations listed here began between July 1993 and December 2016. By type: 3 monitoring and reporting, 3 public notice, recordkeeping or other and 3 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (3 of them). EPA lists 9 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
2016-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2016-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2015-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2015-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2012-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2012-02-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2004-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved

All 9 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 Colony: frequently asked questions

Who runs City of Colony?

City of Colony (PWSID KS2000307) 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 Colony serve?

City of Colony reports serving 377 people through 215 service connections in Anderson County, Kansas.

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

EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in December 2016. 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 Colony'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 9 violations for this system; 3 are health-based, and the most recent began in December 2016. 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 Colony's water quality report?

As a community water system, City of Colony 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 Anderson County

Water systemCountyPopulation servedTypeSource
Garnett, City ofAnderson3,192CommunitySurface water
Anderson Co Rwd 5Anderson2,093CommunityPurchased surface water
Anderson Co Rwd 4Anderson1,200CommunityPurchased surface water
Greeley, City ofAnderson271CommunityPurchased surface water
Kincaid, City ofAnderson106CommunityPurchased surface water
Anderson Co Rwd 1Anderson37CommunityPurchased surface water

Related pages

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, “Colony, City of, PWSID KS2000307, Kansas”, https://aquacensus.com/water-systems/kansas/colony-city-of-ks2000307 (data as of October 1, 2026).