Public water system · IL0710010
ActiveDallas Rural Water District
At a glance
Dallas Rural Water District (PWSID IL0710010) is an active community water system in Henderson County, Illinois. It reports serving 6,370 people through 2,548 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,370
Service connections
2,548
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Dallas Rural Water District compare with other water systems in Henderson County?
By EPA's size categories, Dallas Rural Water District is a medium system (3,301 to 10,000 people). Henderson County has 26 active public water systems, and Dallas Rural Water District is the largest of them by population served. Its population served is about 16 times the county average of 390 people per system, and accounts for 63% of the 10,150 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active community water system reports serving 6,703 people, so Dallas Rural Water District is roughly in line with 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. Illinois has 1,773 active community water systems, 46% of the state's 3,872 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,808 Illinois systems (73%) list groundwater as their primary source.
Who owns and regulates Dallas Rural Water District?
EPA lists Dallas Rural Water District as owned by a local government. The IL 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 26 active systems in Henderson County (27%) are also owned by a local government.
Does Dallas Rural Water District have drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2024. The violations listed here began between January 1996 and January 2024. By type: 6 monitoring and reporting, 2 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Consumer Confidence Rule (2 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2010-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2008-08-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1998-08-28 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 1996-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
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.
Dallas Rural Water District: frequently asked questions
Who runs Dallas Rural Water District?
Dallas Rural Water District (PWSID IL0710010) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Dallas Rural Water District serve?
Dallas Rural Water District reports serving 6,370 people through 2,548 service connections in Henderson County, Illinois.
Where does Dallas Rural Water District 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 Dallas Rural Water District have any drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 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 Dallas Rural Water District'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; 1 is health-based, and the most recent began in January 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Dallas Rural Water District's water quality report?
As a community water system, Dallas Rural Water District 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 Henderson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Oquawka | Henderson | 1,125 | Community | Groundwater |
| Stronghurst | Henderson | 838 | Community | Groundwater |
| Gladstone | Henderson | 387 | Community | Groundwater |
| Biggsville | Henderson | 273 | Community | Purchased groundwater |
| Ayerco Convenience Center #17 | Henderson | 200 | Transient non-community | Groundwater |
| Raritan | Henderson | 180 | Community | Purchased 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, “Dallas Rural Water District, PWSID IL0710010, Illinois”, https://aquacensus.com/water-systems/illinois/dallas-rural-water-district-il0710010 (data as of October 1, 2026).