Record-only indicator: B
Not a safety rating. Missing or old measurements can produce a high score.
Coverage: 0/1 mapped systems have a dated lead result; 0/1 have copper results; 1/1 have UCMR monitoring.
Public-record summary
Record-only indicator — incomplete or old records can produce a high score. A score of 100 is not a safety finding. Coverage: 0/1 mapped systems have a dated lead result; 0/1 have copper results; 1/1 have UCMR monitoring. Tap water quality in Croswell, Michigan (48422) receives an record-only indicator of B (Moderate-low record-based concern) with a score of 81 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 7 points below the Michigan state average of 88. The area is served by Buel Hill Estates (Dba Eagles Landing), a groundwater system providing water to approximately 400 people.
Grade B summarizes the records available to this model, not household safety. Missing, bounded or old measurements can produce a high score, including 100. Review coverage, dates and the current utility report before interpreting this indicator.
Common Questions
The record-only indicator is B (81/100). It cannot determine whether your tap water is safe. Missing, bounded or old measurements can produce a high score. Check the coverage and sampling dates below and your utility's current notices.
ZIP code 48422 is served by 1 water system using groundwater sources, providing water to approximately 400 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.
No dated lead result was found for these mapped systems in the published dataset. This does not establish that lead is absent. Ask your utility for its current report and testing options.
No PFAS ("forever chemicals") were detected in water systems serving Croswell, Michigan during the most recent EPA monitoring period (UCMR5). However, not all water systems have been tested for all PFAS compounds, and new contamination can occur over time.
Water systems serving Croswell, Michigan have received 3 violations in the last 5 years. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.
This public-record indicator cannot select household treatment. Confirm your supplier, current utility report and tap-testing results first; match any treatment to a certified contaminant-reduction claim and follow its maintenance instructions.
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