Public water system · MI0005620
ActiveReading
At a glance
Reading (PWSID MI0005620) is an active community water system in Hillsdale County, Michigan. It reports serving 1,078 people through 469 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in October 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,078
Service connections
469
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Reading compare with other water systems in Hillsdale County?
By EPA's size categories, Reading is a small system (501 to 3,300 people). Hillsdale County has 90 active public water systems, and Reading is the 4th-largest of them by population served. Its population served is about 3.3 times the county average of 325 people per system, and accounts for 3.7% of the 29,262 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active community water system reports serving 6,703 people, so Reading 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. Michigan has 1,332 active community water systems, 13% of the state's 10,599 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.
Who owns and regulates Reading?
EPA lists Reading as owned by a local government. The MI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 90 active systems in Hillsdale County (6.7%) are also owned by a local government.
Does Reading have drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in October 2019. The violations listed here began between May 2003 and October 2019. By type: 2 monitoring and reporting, 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Arsenic (3 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2019-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2019-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2006-01-23 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2003-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 5 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.
Reading: frequently asked questions
Who runs Reading?
Reading (PWSID MI0005620) is a community water system owned by a local government. It is regulated by the MI state drinking water program.
How many people does Reading serve?
Reading reports serving 1,078 people through 469 service connections in Hillsdale County, Michigan.
Where does Reading 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 Reading have any drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in October 2019. 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 Reading'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 5 violations for this system; 2 are health-based, and the most recent began in October 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Reading's water quality report?
As a community water system, Reading 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 Hillsdale County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hillsdale | Hillsdale | 8,163 | Community | Groundwater |
| Jonesville | Hillsdale | 2,258 | Community | Groundwater |
| Litchfield | Hillsdale | 1,310 | Community | Groundwater |
| Hillsdale American Legion #53 | Hillsdale | 780 | Transient non-community | Groundwater |
| Michindoh Conference Center | Hillsdale | 779 | Community | Groundwater |
| Somerset Bch Cpg /West Campgrd | Hillsdale | 680 | Transient non-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, “Reading, PWSID MI0005620, Michigan”, https://aquacensus.com/water-systems/michigan/reading-mi0005620 (data as of October 1, 2026).