Public water system · MI0005900
ActiveSaline
At a glance
Saline (PWSID MI0005900) is an active community water system in Washtenaw County, Michigan. It reports serving 9,158 people through 3,086 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
9,158
Service connections
3,086
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Saline compare with other water systems in Washtenaw County?
By EPA's size categories, Saline is a medium system (3,301 to 10,000 people). Washtenaw County has 262 active public water systems, and Saline is the 4th-largest of them by population served. Its population served is about 8 times the county average of 1,147 people per system, and accounts for 3% of the 300,406 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 Saline is about 37% above 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 Saline?
EPA lists Saline 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. 16 of the 262 active systems in Washtenaw County (6.1%) are also owned by a local government.
Does Saline have drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between January 1992 and July 2025. By type: 7 monitoring and reporting, 2 public notice, recordkeeping or other and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 10 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 |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2020-10-11 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2019-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2019-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1992-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 10 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.
Saline: frequently asked questions
Who runs Saline?
Saline (PWSID MI0005900) is a community water system owned by a local government. It is regulated by the MI state drinking water program.
How many people does Saline serve?
Saline reports serving 9,158 people through 3,086 service connections in Washtenaw County, Michigan.
Where does Saline 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 Saline have any drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2025. 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 Saline'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 10 violations for this system; none is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Saline's water quality report?
As a community water system, Saline 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 Washtenaw County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ann Arbor | Washtenaw | 123,851 | Community | Surface water |
| Ypsilanti Community Utility Authority | Washtenaw | 53,988 | Community | Purchased surface water |
| Pittsfield Township | Washtenaw | 24,500 | Community | Purchased surface water |
| Scio Township | Washtenaw | 8,500 | Community | Purchased surface water |
| Milan | Washtenaw | 7,363 | Community | Groundwater |
| Superior Township | Washtenaw | 6,830 | Community | Purchased surface water |
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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, “Saline, PWSID MI0005900, Michigan”, https://aquacensus.com/water-systems/michigan/saline-mi0005900 (data as of October 1, 2026).