Public water system · MI0002740
ActiveGrand Blanc, City of
At a glance
City of Grand Blanc (PWSID MI0002740) is an active community water system in Genesee County, Michigan. It reports serving 8,276 people through 2,641 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
8,276
Service connections
2,641
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Grand Blanc compare with other water systems in Genesee County?
By EPA's size categories, City of Grand Blanc is a medium system (3,301 to 10,000 people). Genesee County has 378 active public water systems. Its population served is about 9.5 times the county average of 871 people per system, and accounts for 2.5% of the 329,216 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 City of Grand Blanc is about 23% 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 City of Grand Blanc?
EPA lists City of Grand Blanc 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. 17 of the 378 active systems in Genesee County (4.5%) are also owned by a local government.
Does City of Grand Blanc have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 2022. The violations listed here began between August 1996 and August 2022. By type: 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2022-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 1999-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 3 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.
City of Grand Blanc: frequently asked questions
Who runs City of Grand Blanc?
City of Grand Blanc (PWSID MI0002740) is a community water system owned by a local government. It is regulated by the MI state drinking water program.
How many people does City of Grand Blanc serve?
City of Grand Blanc reports serving 8,276 people through 2,641 service connections in Genesee County, Michigan.
Where does City of Grand Blanc 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 City of Grand Blanc have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 2022. 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 City of Grand Blanc'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 3 violations for this system; none is health-based, and the most recent began in August 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find City of Grand Blanc's water quality report?
As a community water system, City of Grand Blanc 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 Genesee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Flint, City of | Genesee | 81,252 | Community | Purchased surface water |
| Genesee County Water System | Genesee | 73,726 | Community | Purchased surface water |
| Charter Township of Grand Blanc | Genesee | 21,000 | Community | Purchased surface water |
| Burton, City of | Genesee | 21,000 | Community | Purchased surface water |
| Fenton, City of | Genesee | 11,746 | Community | Groundwater |
| Beecher Metropolitan District | Genesee | 9,400 | 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, “Grand Blanc, City of, PWSID MI0002740, Michigan”, https://aquacensus.com/water-systems/michigan/grand-blanc-city-of-mi0002740 (data as of October 1, 2026).