Grand Blanc, MI: Lead Above EPA Limits - Home Safety 81/100
2 ZIP codes · 4 water systems · Updated
ZipCheckup grade for Grand Blanc: B.
This ZIP looks solid, with a few items worth a quick check.
Although water quality varies across any metro, Grand Blanc's systems collectively post above-average compliance scores for MI - and documented violations are few.
How Grand Blanc Compares
Data: EPA SDWIS
Key Facts for Grand Blanc Residents
- Your city's water systems recorded 7 violations in the past 5 years.
- Average lead level: 0.069 mg/L - exceeds the EPA action level of 0.015 mg/L.
- Estimated remediation: $1,300 per household.
- CDC health risk index: 14.95 - above typical levels.
Grand Blanc's Water Providers
Residential water in Grand Blanc, MI is supplied by 3 separate utilities - not one centralized authority. Each of those providers operates under its own service territory boundary, maintains its own distribution infrastructure, and files compliance documentation with the EPA on its own timeline. Federal data counts 4 water systems in the area, with these providers collectively accounting for the dominant share of household connections.
- B
- B
- B
Overview
We track home safety data for 2 ZIP codes in Grand Blanc, Michigan, covering 4 community water systems serving approximately 52,071 people. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Grand Blanc: B (81/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Grand Blanc water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0690 mg/L (exceeds EPA action level) (EPA action level: 0.015 mg/L)
- 1 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 2 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 6 | 1 |
| Consumer Confidence Report Rule | Reporting | 4 | 1 |
| Lead | Inorganic | 2 | 1 |
| Stage 1 DBP Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 48439 | B | 7 | 1 | City of Grand Blanc, |
All ZIP Codes in Grand Blanc
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Grand Blanc Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Grand Blanc's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Grand Blanc
Low proportionality - that's the Grand Blanc picture when remediation costs are placed against typical home equity.
Remediation costs in Grand Blanc are relatively low compared to home values. The $550–$2,300 estimated range is a small fraction of median property value. Home values are 23% above the Michigan average.
Grand Blanc: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.
<strong>1 ZIP code</strong> (50% of the city) exceeds the EPA lead action level of 0.015 mg/L.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Grand Blanc: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Grand Blanc contains 61 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $6,853. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,300</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Grand Blanc, MI