Public water system · IA0600600
ActiveTimber Ridge
At a glance
Timber Ridge (PWSID IA0600600) is an active community water system in Benton County, Iowa. It reports serving 225 people through 140 service connections. Its primary water source is purchased groundwater under influence, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
225
Service connections
140
Primary source
GUP
Purchased groundwater under influence
System type
CWS
Community water system
System record
How does Timber Ridge compare with other water systems in Benton County?
By EPA's size categories, Timber Ridge is a very small system (500 people or fewer). Benton County has 23 active public water systems. Its population served is well below the county average of 826 people per system, and accounts for 1.2% of the 19,007 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Timber Ridge 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. Iowa has 1,084 active community water systems, 59% of the state's 1,828 active systems. Purchased groundwater under the influence of surface water means the system buys that kind of water from another public water system. 20 Iowa systems (1.1%) list purchased groundwater under influence as their primary source.
Who owns and regulates Timber Ridge?
EPA lists Timber Ridge as privately owned. The IA 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 23 active systems in Benton County (39%) are also privately owned.
Does Timber Ridge have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2022. The violations listed here began between July 2009 and July 2022. By type: 6 monitoring and reporting, 2 public notice, recordkeeping or other, 2 monitoring and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrite (5 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 |
|---|---|---|---|---|
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2018-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2017-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2017-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2013-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitritecode 1041 | Yes | Resolved |
| 2012-09-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2011-12-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2011-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitritecode 1041 | Yes | Resolved |
| 2010-09-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | 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.
Timber Ridge: frequently asked questions
Who runs Timber Ridge?
Timber Ridge (PWSID IA0600600) is a community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Timber Ridge serve?
Timber Ridge reports serving 225 people through 140 service connections in Benton County, Iowa.
Where does Timber Ridge get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater under influence. Purchased groundwater under the influence of surface water means the system buys that kind of water from another public water system.
Does Timber Ridge 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 July 2022. 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 Timber Ridge'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 July 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Timber Ridge's water quality report?
As a community water system, Timber Ridge 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 Benton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Vinton Municipal Water Dept | Benton | 4,938 | Community | Groundwater |
| Belle Plaine Water Dept | Benton | 2,380 | Community | Groundwater |
| Atkins Municipal Water Works | Benton | 2,056 | Community | Groundwater |
| Poweshiek Water Association (Cr) | Benton | 2,000 | Community | Purchased groundwater under influence |
| Urbana Water Supply | Benton | 1,554 | Community | Groundwater |
| Shellsburg Water Supply | Benton | 961 | 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, “Timber Ridge, PWSID IA0600600, Iowa”, https://aquacensus.com/water-systems/iowa/timber-ridge-ia0600600 (data as of October 1, 2026).