Public water system · KS2020101
ActiveWashington, City of
At a glance
City of Washington (PWSID KS2020101) is an active community water system in Washington County, Kansas. It reports serving 1,065 people through 676 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 1999.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,065
Service connections
676
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Washington compare with other water systems in Washington County?
By EPA's size categories, City of Washington is a small system (501 to 3,300 people). Washington County has 12 active public water systems, and City of Washington is the 2nd-largest of them by population served. Its population served is about 143% above the county average of 438 people per system, and accounts for 20% of the 5,258 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 Washington 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. 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 Washington?
EPA lists City of Washington 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. 12 of the 12 active systems in Washington County (100%) are also owned by a local government.
Does City of Washington have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 1999. The violations listed here began between January 1994 and October 1999. By type: 1 public notice, recordkeeping or other, 1 required treatment not met and 1 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 1999-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1994-10-26 | Required treatment not metOCCT/SOWT Treatment Installation/Demonstration · code 58 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 1994-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
All 3 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 Washington: frequently asked questions
Who runs City of Washington?
City of Washington (PWSID KS2020101) 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 Washington serve?
City of Washington reports serving 1,065 people through 676 service connections in Washington County, Kansas.
Where does City of Washington 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 Washington have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 1999. 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 Washington'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 3 violations for this system; 1 is health-based, and the most recent began in October 1999. 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 Washington's water quality report?
As a community water system, City of Washington 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 Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Washington Co Rwd 1 | Washington | 1,093 | Community | Groundwater |
| Hanover, City of | Washington | 689 | Community | Purchased groundwater |
| Washington Co Rwd 2 | Washington | 673 | Community | Groundwater |
| Clifton, City of | Washington | 455 | Community | Groundwater |
| Linn, City of | Washington | 382 | Community | Groundwater |
| Greenleaf, City of | Washington | 347 | Community | Groundwater |
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, “Washington, City of, PWSID KS2020101, Kansas”, https://aquacensus.com/water-systems/kansas/washington-city-of-ks2020101 (data as of October 1, 2026).