Public water system · MI0005580
ActiveQuincy
At a glance
Quincy (PWSID MI0005580) is an active community water system in Branch County, Michigan. It reports serving 1,544 people through 833 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,544
Service connections
833
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Quincy compare with other water systems in Branch County?
By EPA's size categories, Quincy is a small system (501 to 3,300 people). Branch County has 71 active public water systems, and Quincy is the 4th-largest of them by population served. Its population served is about 3.4 times the county average of 450 people per system, and accounts for 4.8% of the 31,918 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 Quincy 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 Quincy?
EPA lists Quincy 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. 4 of the 71 active systems in Branch County (5.6%) are also owned by a local government.
Does Quincy have drinking water violations?
EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2025. The violations listed here began between September 1999 and July 2025. By type: 6 monitoring and reporting, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 8 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 |
| 2024-07-19 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2019-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2019-08-03 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2018-10-11 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2018-10-10 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2015-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1999-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 8 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.
Quincy: frequently asked questions
Who runs Quincy?
Quincy (PWSID MI0005580) is a community water system owned by a local government. It is regulated by the MI state drinking water program.
How many people does Quincy serve?
Quincy reports serving 1,544 people through 833 service connections in Branch County, Michigan.
Where does Quincy 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 Quincy have any drinking water violations?
EPA's records list 8 violations for this system; 1 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 Quincy'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 8 violations for this system; 1 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 Quincy's water quality report?
As a community water system, Quincy 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 Branch County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Coldwater | Branch | 13,822 | Community | Groundwater |
| Bronson | Branch | 2,421 | Community | Groundwater |
| Union City | Branch | 1,630 | Community | Groundwater |
| Butler Motor Speedway | Branch | 1,200 | Transient non-community | Groundwater |
| Waffle Farm Campground - System 2 | Branch | 1,000 | Transient non-community | Groundwater |
| Waffle Farm Campground - System 1 | Branch | 1,000 | 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, “Quincy, PWSID MI0005580, Michigan”, https://aquacensus.com/water-systems/michigan/quincy-mi0005580 (data as of October 1, 2026).