Public water system · MI0040663
ActiveRiver Ridge - Saline
At a glance
River Ridge - Saline (PWSID MI0040663) is an active community water system in Washtenaw County, Michigan. It reports serving 720 people through 288 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
720
Service connections
288
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does River Ridge - Saline compare with other water systems in Washtenaw County?
By EPA's size categories, River Ridge - Saline is a small system (501 to 3,300 people). Washtenaw County has 262 active public water systems. Its population served is about 37% below the county average of 1,147 people per system, and accounts for 0.2% 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 River Ridge - Saline 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 River Ridge - Saline?
EPA lists River Ridge - Saline as privately owned. 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. 229 of the 262 active systems in Washtenaw County (87%) are also privately owned.
Does River Ridge - Saline have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for River Ridge - Saline. For the latest compliance status, check EPA ECHO for current compliance history.
River Ridge - Saline: frequently asked questions
Who runs River Ridge - Saline?
River Ridge - Saline (PWSID MI0040663) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does River Ridge - Saline serve?
River Ridge - Saline reports serving 720 people through 288 service connections in Washtenaw County, Michigan.
Where does River Ridge - 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 River Ridge - Saline have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is River Ridge - 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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find River Ridge - Saline's water quality report?
As a community water system, River Ridge - 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 |
| Saline | Washtenaw | 9,158 | Community | Groundwater |
| Scio Township | Washtenaw | 8,500 | Community | Purchased surface water |
| Milan | Washtenaw | 7,363 | 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, “River Ridge - Saline, PWSID MI0040663, Michigan”, https://aquacensus.com/water-systems/michigan/river-ridge-saline-mi0040663 (data as of October 1, 2026).