Petersburg, MI: 2 Violations — 74/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Within Petersburg, safety indicators for tap water remain above the MI median — documented violations are infrequent and the city's compliance record sits in the upper tier.
How Petersburg Compares
Data: EPA SDWIS Last verified: 2026-06-03
Petersburg Water: The Quick Version
- Your city's water systems recorded 2 violations in the past 5 years.
- Homes built before 1986: 73% — older plumbing may contain lead solder.
- Estimated remediation: $2,200 per household.
- CDC health risk index: 14.35 — above typical levels.
Water Systems Serving Petersburg
Water delivery in Petersburg, MI is handled by 2 utilities rather than a single system — drawn from 2 providers in federal records, each filing its own compliance reports and setting its own rates.
Overview
We track water quality and home safety data for 1 ZIP code in Petersburg, Michigan (population ~5,728), covering 2 community water systems serving approximately 50,582 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Petersburg: B (74/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Petersburg water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Petersburg
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | 1 |
| Lead and Copper Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 49270 | B | 2 | 0 | MONROE |
All ZIP Codes in Petersburg
- 49270 [B] — 2 violations
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
Updated daily.
CDC Health Data for Petersburg
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
Key Contaminants Detected in Petersburg
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Petersburg's Housing Stock?
With 73% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Lead solder was standard in copper plumbing until federally banned in 1986; lead pipes were common in service lines pre-1970. Petersburg's median build year of 1977 reflects a housing stock where these older materials are a pervasive feature — not a rare legacy — of the residential plumbing landscape.
Over half of homes in Petersburg were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Petersburg: Remediation Cost in Perspective
In Petersburg, the equity impact of remediation is proportionally small — not the kind of financial commitment that rises to the level of a genuine planning constraint, but a minor share of what most properties here are worth.
Remediation costs in Petersburg are relatively low compared to home values. The $1,200–$3,400 estimated range is a small fraction of median property value. Home values are 32% above the Michigan average.
Protecting Children from Lead in Petersburg
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.
Even where utility-side monitoring meets Lead and Copper Rule requirements, the 73% pre-rule share in Petersburg keeps interior-plumbing variation as a household-level question that aggregate data cannot resolve.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Petersburg
Flood insurance records under FEMA's NFIP show limited historical flood activity for Petersburg. Understanding where a community falls on the exposure spectrum matters for water quality assessment because flooding operates as a compounding hazard: during significant flood events, treatment facilities can be overwhelmed, private wells can be infiltrated by surface runoff, and pressure changes in distribution systems can allow backflow of contaminated water. None of those mechanisms are absent here, but they require event conditions that the current NFIP record suggests have been infrequent.
Petersburg has a relatively low flood history with 1 FEMA claims on record. While risk is limited, severe weather events can still impact water infrastructure.
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. Flood damage can add significantly to the estimated <strong>$2,200</strong> remediation cost per household.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Petersburg, MI