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Review government records associated with Grand Blanc, Michigan.
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Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Grand Blanc, MI from EPA SDWIS.
Grand Blanc, City of
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 8,276 people
Data from EPA SDWIS
Reviewed: source records as of Q1 2026
EPA UCMR5 — No PFAS detection records shown for these water systems
Open data source: EPA UCMR5DoD PFAS — No investigation records shown for this report
Open data source: DoD PFASEPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Thread Creek
Reported: Nov 2026
Health-relevant causes: Mercury, Pathogens, Per- And Polyfluoroalkyl Substances (pfas), Pesticides, Polychlorinated Biphenyls (pcbs)
Affected uses: Ecological, Fishconsumption, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Data from EPA ECHO
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Genesee County
Assessment year: 2020
According to EPA, a cancer risk of 20-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 20 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
EPA designations apply to a specific pollutant and federal air quality standard (NAAQS). EPA can issue a clean-data determination while a formal designation remains in effect.
Historical designations under the revoked 1997 ozone standard
These records describe historical designations. EPA revoked the 1997 ozone standard on April 6, 2015.
Flint Area
Historical standard: 0.08 ppm (8-hour)
Historical designation: Maintenance · Former Subpart 1
Original designation: Jun 2004
Open data source: EPA final revocation ruleContinuing requirements have not been verified for this area.
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Otisvillelakeville Middle School
Annual mean: 0.040 Parts per million
EPA primary exceedance count: 2 (Ozone 8-hour 2015)
Observation year: 2025
Whaley Pk 3610 Iowa (Flint)
Annual mean: 0.043 Parts per million
EPA primary exceedance count: 2 (Ozone 8-hour 2015)
Observation year: 2025
Annual mean: 6.7 Micrograms/cubic meter (LC)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
Reviewed: source query run Nov 2026
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO2 sites with active cleanup or investigation status
11410 S Saginaw Street, Grand Blanc
Reported: Feb 2026
113 Reid Road, Grand Blanc
Reported: Feb 2026
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
No MSHA mine or extraction site records shown for this report.
Genesee County, MI
EPA Radon Zone Map (June 2024 release)
Genesee County is EPA Radon Zone 2 (moderate potential). EPA defines Zone 2 counties as having predicted average indoor screening levels between 2 pCi/L and 4 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain). No base flood elevation determined.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
No EPA ECHO RMP facility records with a usable location matched this city report.
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
No records dated within the last 5 years surfaced for this city report.
Reviewed: last 5 years
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Genesee County, MichiganPop. 401,983
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 11,365 | 8,468 | 7,972 |
| Poor or Fair Health | 18.1% | 15.2% | 14.2% |
| Poor Physical Health Days | 4.1 | 3.6 | 3.3 |
| Poor Mental Health Days | 5.5 | 5.3 | 4.8 |
| Adult Smoking | 20.8% | 17.9% | 15.0% |
| Adult Obesity | 42.4% | 34.6% | 34.0% |
| Air Pollution - Particulate Matter | 7.5 | 6.8 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 10.6% | 9.3% | 9.6% |
| Life Expectancy | 73.9 | 76.6 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Grand Blanc.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 1 violation for the City of Grand Blanc.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Grand Blanc.
The monitoring station at OtisvilleLAKEVILLE Middle School recorded an annual average of 0.04 Parts per million for ozone in 2025.
The monitoring station at Whaley Pk 3610 Iowa (Flint) recorded an annual average of 0.043 Parts per million for ozone in 2025.
The monitoring station at Whaley Pk 3610 Iowa (Flint) recorded an annual average of 6.7 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The radon data for Grand Blanc covers Genesee County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
No Superfund sites were returned for this city report.
This city report shows 2 brownfield sites: 11410 S Saginaw Street; City of Grand Blanc.
The county data for Grand Blanc reports a life expectancy of 73.9 years in Genesee County, Michigan.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Grand Blanc reports 11,365 years of life lost to deaths before age 75 per 100,000 residents in Genesee County, Michigan. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Grand Blanc lists fine-particle pollution (PM2.5) at 7.5 micrograms per cubic meter in Genesee County, Michigan.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
Federal pipeline records list an incident involving Consumers Energy Co near Grand Blanc on Dec 8, 2020. The reported release was natural gas.