Well Water in Missaukee County: What to Test and Why

Moderate Risk
Testing Recommended 5652 samples analyzed
Top Concerns in This County
Iron Arsenic

Why This Happens Here

Your well water comes from mixed rock and sediment layers underground. These layers hold water in the spaces between sand, gravel, and other materials. The rock here is not uniform across the county, so water quality changes from one well to another.

Iron and arsenic dissolve naturally from the rock as groundwater moves through it slowly over time. The iron comes from minerals in the sand and stone layers. Arsenic also occurs naturally in certain rock types here. Chloride appears partly from road salt that seeps down through sandy soil during winter months.

Your water is heavily loaded with minerals. Iron runs at 125 mg/L, sodium at 2800 mg/L, and sulfate at 3900 mg/L. This means you will see orange or brown stains on fixtures and laundry, a salty taste, and possibly a bitter or rotten-egg smell. These high mineral levels clog pipes and damage water heaters over time.

What This Means for You

Arsenic exceeds EPA health standards in Missaukee County well water. Iron also exceeds EPA health standards. Both contaminants need attention. Getting your well tested is the first step to understanding what's in your water.

Long-term exposure to arsenic can damage your kidneys and increase cancer risk over time. High iron will stain your sinks, toilets, and laundry orange or brown. Your water probably tastes metallic or bitter from the iron and other minerals. The very high sodium and sulfate levels mean your water tastes salty and may leave white crusty buildup on fixtures.

Get a certified lab test right away. A basic health screen costs fifty to one hundred dollars. A full mineral and metals panel runs two hundred to four hundred dollars. Ask the lab to test for arsenic, iron, bacteria, and nitrate. A reverse osmosis system or combination iron and arsenic filter can treat both contaminants.

Contaminant Detection Data

Contaminant Samples % Above MCL Distribution Confidence Risk
Iron 6 33% 50% · 17% · 33% Low High
Arsenic 4 25% 25% · 50% · 25% Low High
Nitrate 7 0% 100% · 0% · 0% Low Low
Radon 2 0% 100% · 0% · 0% Low Low
Chloride 12 0% 100% · 0% · 0% Low Low
Sulfate 9 0% 100% · 0% · 0% Low Low
Fluoride 2 0% 100% · 0% · 0% Low Low
Nitrite 1 0% 100% · 0% · 0% Low Safe
Lead 1 0% 100% · 0% · 0% Low Safe
pH 5 Low Low
Sodium 13 Low Low
Nitrate 6 Low Low
Manganese 1 0% 100% · 0% · 0% Low Safe

MCL = Maximum Contaminant Level (EPA limit for public water; used as benchmark for private wells). Distribution shows % of sampled wells in each concentration band. Methodology.

Population Health Context

Population-level CDC data. Not individual risk prediction.

10.6%
Cancer Prevalence
8.2%
Cancer Prevalence
3.6%
Kidney Disease Rate

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