Saginaw County, Michigan
26 ZIP codes · Avg score 83/100 · Grade B · Updated 2026-06-03
EPA monitoring reports for Saginaw County cover 26 ZIP codes and tell a largely reassuring story — compliance rates are high and health-based violations are far below the national norm.
How Saginaw County Compares
How Saginaw County Compares
Saginaw County scores 9 points above the Michigan state average (74/100) and 15 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Saginaw County, Michigan
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.8 (asthma 12.2%, diabetes 14.1%)
Estimated additional annual cost per homeowner: $1,421, driven primarily by flood
Infrastructure: 0.404% avg pipe failure probability, 50% of ZIPs at high risk
77% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
→ Stable trendEPA violation counts by year across Saginaw County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 4 violations. Past 5 years: 7 total (7 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,421
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
86,795 housing units in Saginaw County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Saginaw County
Remediation costs are relatively manageable for most homeowners in Saginaw County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Saginaw County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Saginaw County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Thomas Township | 11,931 | 42 |
| 2 | City of Saginaw, | 44,058 | 33 |
| 3 | Buena Vista Township | 8,676 | 33 |
| 4 | Saginaw Charter Township | 40,840 | 33 |
| 5 | Carrollton Township | 6,103 | 33 |
24 total water systems serve Saginaw County.
All ZIP Codes in Saginaw County
26 ZIP codes tracked in Saginaw County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 48787 | Frankenmuth | 99 | A | 0 | — |
| 2 | 48460 | New Lothrop | 97 | A | 2 | $200K |
| 3 | 48415 | Birch Run | 95 | A | 0 | $198K |
| 4 | 48417 | Burt | 95 | A | 0 | $164K |
| 5 | 48734 | Frankenmuth | 95 | A | 0 | $285K |
| 6 | 48616 | Chesaning | 94 | A | 7 | $153K |
| 7 | 48626 | Hemlock | 91 | A | 3 (1 health) | $209K |
| 8 | 48722 | Bridgeport | 90 | A | 0 | $136K |
| 9 | 48623 | Freeland | 89 | A | 6 (1 health) | $230K |
| 10 | 48637 | Merrill | 88 | A | 1 | $140K |
| 11 | 48605 | Saginaw | 85 | A | 3 | — |
| 12 | 48606 | Saginaw | 85 | A | 3 | — |
| 13 | 48607 | Saginaw | 85 | A | 3 | $45K |
| 14 | 48663 | Saginaw | 85 | A | 3 | — |
| 15 | 48608 | Saginaw | 84 | B | 3 | — |
| 16 | 48603 | Saginaw | 79 | B | 3 | $182K |
| 17 | 48601 | Saginaw | 74 | B | 3 | $55K |
| 18 | 48602 | Saginaw | 74 | B | 3 | $70K |
| 19 | 48604 | Saginaw | 74 | B | 3 | $93K |
| 20 | 48609 | Saginaw | 74 | B | 3 | $166K |
| 21 | 48638 | Saginaw | 74 | B | 3 | $161K |
| 22 | 48614 | Brant | 73 | B | 0 | $125K |
| 23 | 48724 | Carrollton | 73 | B | 0 | $68K |
| 24 | 48649 | Oakley | 66 | C | 0 | $152K |
| 25 | 48758 | Richville | 66 | C | 0 | — |
| 26 | 48655 | Saint Charles | 65 | C | 0 | $157K |
Recommended Buyer Guides for Saginaw County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Lead Paint Test Kits — 77% of homes built before 1978
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Saginaw County, Michigan
Overview
Saginaw County in Michigan covers 26 ZIP codes with an average Home Safety Score of B (83/100).
16 of 26 ZIP codes have recorded EPA violations. 2 health-based violations have been documented.
← Back to Michigan water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.