Public water system · IL1790250
ActiveGreen Valley
At a glance
Green Valley (PWSID IL1790250) is an active community water system in Tazewell County, Illinois. It reports serving 638 people through 285 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in July 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
638
Service connections
285
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Green Valley compare with other water systems in Tazewell County?
By EPA's size categories, Green Valley is a small system (501 to 3,300 people). Tazewell County has 83 active public water systems. Its population served is about 59% below the county average of 1,557 people per system, and accounts for 0.5% of the 129,226 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 Green Valley 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. 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 Green Valley?
EPA lists Green Valley 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. 18 of the 83 active systems in Tazewell County (22%) are also owned by a local government.
Does Green Valley have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in July 2014. The violations listed here began between June 1977 and July 2014. By type: 3 public notice, recordkeeping or other, 2 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (3 of them). EPA lists 5 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2014-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2012-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2007-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2004-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1977-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
All 6 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.
Green Valley: frequently asked questions
Who runs Green Valley?
Green Valley (PWSID IL1790250) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Green Valley serve?
Green Valley reports serving 638 people through 285 service connections in Tazewell County, Illinois.
Where does Green Valley 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 Green Valley have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in July 2014. 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 Green Valley'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 6 violations for this system; 1 is health-based, and the most recent began in July 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Green Valley's water quality report?
As a community water system, Green Valley 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 Tazewell County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Il American-Pekin | Tazewell | 31,731 | Community | Groundwater |
| East Peoria | Tazewell | 22,284 | Community | Groundwater |
| Morton | Tazewell | 17,111 | Community | Groundwater |
| Washington | Tazewell | 14,793 | Community | Groundwater |
| North Tazewell PWD | Tazewell | 7,625 | Community | Groundwater |
| Creve Coeur | Tazewell | 4,934 | 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, “Green Valley, PWSID IL1790250, Illinois”, https://aquacensus.com/water-systems/illinois/green-valley-il1790250 (data as of October 1, 2026).