Public water system · KS2007503
ActiveHamilton Co Rwd 1
At a glance
Hamilton Co Rwd 1 (PWSID KS2007503) is an active community water system in Hamilton County, Kansas. It reports serving 80 people through 41 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, 2 are health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
41
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hamilton Co Rwd 1 compare with other water systems in Hamilton County?
By EPA's size categories, Hamilton Co Rwd 1 is a very small system (500 people or fewer). Hamilton County has 3 active public water systems, and Hamilton Co Rwd 1 is the 2nd-largest of them by population served. Its population served is well below the county average of 655 people per system, and accounts for 4.1% of the 1,965 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 Hamilton Co Rwd 1 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 Hamilton Co Rwd 1?
EPA lists Hamilton Co Rwd 1 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. 3 of the 3 active systems in Hamilton County (100%) are also owned by a local government.
Does Hamilton Co Rwd 1 have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in January 2026. The violations listed here began between December 2020 and January 2026. By type: 4 public notice, recordkeeping or other, 3 monitoring and reporting, 2 monitoring, 2 required treatment not met and 1 reporting. The contaminant or rule involved most often is Public Notice (4 of them). EPA lists 9 as resolved and 3 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2022-12-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-12-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-10-31 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2022-01-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2022-01-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2021-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2021-10-01 | MonitoringMonitoring, Additional Routine (RTCR) · code 3B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-05-22 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2021-05-22 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2020-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | 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.
Hamilton Co Rwd 1: frequently asked questions
Who runs Hamilton Co Rwd 1?
Hamilton Co Rwd 1 (PWSID KS2007503) is a community water system owned by a local government. It is regulated by the KS state drinking water program.
How many people does Hamilton Co Rwd 1 serve?
Hamilton Co Rwd 1 reports serving 80 people through 41 service connections in Hamilton County, Kansas.
Where does Hamilton Co Rwd 1 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 Hamilton Co Rwd 1 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 January 2026. 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 Hamilton Co Rwd 1'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 January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the KS state drinking water program.
Where can I find Hamilton Co Rwd 1's water quality report?
As a community water system, Hamilton Co Rwd 1 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 Hamilton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Syracuse, City of | Hamilton | 1,807 | Community | Groundwater |
| Coolidge, City of | Hamilton | 78 | Community | Groundwater |
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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, “Hamilton Co Rwd 1, PWSID KS2007503, Kansas”, https://aquacensus.com/water-systems/kansas/hamilton-co-rwd-1-ks2007503 (data as of October 1, 2026).