Public water system · KS2001911
ActiveChautauqua Co Rwd 4
At a glance
Chautauqua Co Rwd 4 (PWSID KS2001911) is an active community water system in Chautauqua County, Kansas. It reports serving 475 people through 331 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
475
Service connections
331
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Chautauqua Co Rwd 4 compare with other water systems in Chautauqua County?
By EPA's size categories, Chautauqua Co Rwd 4 is a very small system (500 people or fewer). Chautauqua County has 10 active public water systems, and Chautauqua Co Rwd 4 is the 2nd-largest of them by population served. Its population served is about 67% above the county average of 284 people per system, and accounts for 17% of the 2,840 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 Chautauqua Co Rwd 4 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 Chautauqua Co Rwd 4?
EPA lists Chautauqua Co Rwd 4 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. 10 of the 10 active systems in Chautauqua County (100%) are also owned by a local government.
Does Chautauqua Co Rwd 4 have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025. The violations listed here began between July 2015 and July 2025. By type: 5 monitoring and reporting, 4 public notice, recordkeeping or other and 3 contaminant level above the legal limit. The contaminant or rule involved most often is Haloacetic acids (HAA5) (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 |
|---|---|---|---|---|
| 2025-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2025-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2025-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2024-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2022-10-28 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2022-10-28 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2021-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2021-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2021-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2018-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2018-07-02 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | 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.
Chautauqua Co Rwd 4: frequently asked questions
Who runs Chautauqua Co Rwd 4?
Chautauqua Co Rwd 4 (PWSID KS2001911) is a community water system owned by a local government. It is regulated by the KS state drinking water program.
How many people does Chautauqua Co Rwd 4 serve?
Chautauqua Co Rwd 4 reports serving 475 people through 331 service connections in Chautauqua County, Kansas.
Where does Chautauqua Co Rwd 4 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 Chautauqua Co Rwd 4 have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025. 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 Chautauqua Co Rwd 4'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, 3 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the KS state drinking water program.
Where can I find Chautauqua Co Rwd 4's water quality report?
As a community water system, Chautauqua Co Rwd 4 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 Chautauqua County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sedan, City of | Chautauqua | 1,005 | Community | Purchased surface water |
| Cedar Vale, City of | Chautauqua | 475 | Community | Purchased surface water |
| Chautauqua Co Rwd 2 | Chautauqua | 278 | Community | Purchased surface water |
| Chautauqua Co Rwd 3 | Chautauqua | 200 | Community | Purchased surface water |
| Chautauqua Co Rwd 1 | Chautauqua | 135 | Community | Purchased surface water |
| Chautauqua, City of | Chautauqua | 110 | Community | Purchased surface water |
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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, “Chautauqua Co Rwd 4, PWSID KS2001911, Kansas”, https://aquacensus.com/water-systems/kansas/chautauqua-co-rwd-4-ks2001911 (data as of October 1, 2026).