Public water system · IL1730500
ActiveTower Hill
At a glance
Tower Hill (PWSID IL1730500) is an active community water system in Shelby County, Illinois. It reports serving 500 people through 265 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, none is health-based, and the most recent began in July 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
265
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Tower Hill compare with other water systems in Shelby County?
By EPA's size categories, Tower Hill is a very small system (500 people or fewer). Shelby County has 12 active public water systems. Its population served is about half of the county average of 1,004 people per system, and accounts for 4.2% of the 12,045 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 Tower Hill 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 619 Illinois systems (16%) list purchased surface water as their primary source.
Who owns and regulates Tower Hill?
EPA lists Tower Hill 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. 9 of the 12 active systems in Shelby County (75%) are also owned by a local government.
Does Tower Hill have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2017. The violations listed here began between August 2005 and July 2017. By type: 6 public notice, recordkeeping or other and 6 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (4 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2017-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2016-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2014-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2013-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2012-09-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2010-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2005-08-24 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2005-08-24 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | 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.
Tower Hill: frequently asked questions
Who runs Tower Hill?
Tower Hill (PWSID IL1730500) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Tower Hill serve?
Tower Hill reports serving 500 people through 265 service connections in Shelby County, Illinois.
Where does Tower Hill 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 Tower Hill have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2017. 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 Tower Hill'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, none is health-based, and the most recent began in July 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Tower Hill's water quality report?
As a community water system, Tower Hill 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 Shelby County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Shelbyville | Shelby | 5,600 | Community | Groundwater |
| Moweaqua | Shelby | 1,785 | Community | Groundwater |
| Windsor | Shelby | 1,200 | Community | Purchased surface water |
| Findlay | Shelby | 750 | Community | Purchased surface water |
| Stewardson | Shelby | 734 | Community | Groundwater |
| Cowden | Shelby | 612 | 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, “Tower Hill, PWSID IL1730500, Illinois”, https://aquacensus.com/water-systems/illinois/tower-hill-il1730500 (data as of October 1, 2026).