Public water system · 055293702
ActiveLittle River Tribal Water System
At a glance
Little River Tribal Water System (PWSID 055293702) is an active community water system in Michigan. It reports serving 2,802 people through 97 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,802
Service connections
97
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Little River Tribal Water System compare with other water systems in Michigan?
By EPA's size categories, Little River Tribal Water System is a small system (501 to 3,300 people). Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active community water system reports serving 6,703 people, so Little River Tribal Water System is about 58% 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 Little River Tribal Water System?
EPA lists Little River Tribal Water System as Native American-owned. The EPA Region 05 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does Little River Tribal Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2018. The violations listed here began between January 2011 and May 2018. By type: 11 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Total coliform bacteria (TCR), Chromium and Fluoride. 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 |
|---|---|---|---|---|
| 2018-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | 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.
Little River Tribal Water System: frequently asked questions
Who runs Little River Tribal Water System?
Little River Tribal Water System (PWSID 055293702) is a community water system Native American-owned. It is regulated by the EPA Region 05.
How many people does Little River Tribal Water System serve?
Little River Tribal Water System reports serving 2,802 people through 97 service connections in Michigan.
Where does Little River Tribal Water System 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 Little River Tribal Water System 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 May 2018. 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 Little River Tribal Water System'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 May 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the EPA Region 05.
Where can I find Little River Tribal Water System's water quality report?
As a community water system, Little River Tribal Water System 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 Michigan
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Detroit City of | Wayne | 633,218 | Community | Purchased surface water |
| Grand Rapids | Kent | 306,901 | Community | Surface water |
| Kalamazoo | Kalamazoo | 192,992 | Community | Groundwater |
| Lansing Board of Water & Light | Ingham | 166,000 | Community | Groundwater |
| Warren, City of | Macomb | 134,056 | Community | Purchased surface water |
| Sterling Heights, City of | Macomb | 127,000 | 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, “Little River Tribal Water System, PWSID 055293702, Michigan”, https://aquacensus.com/water-systems/michigan/little-river-tribal-water-system-055293702 (data as of October 1, 2026).