Well Water in Gladwin County: What to Test and Why

High Risk
Testing Strongly Recommended 25332 samples analyzed
Top Concerns in This County
Iron Arsenic Lead

Why This Happens Here

The water in Gladwin County sits in rock layers that are not limestone or sandstone, but a mix of older, harder stones buried deep underground. These rocks have cracks and spaces where groundwater collects and flows slowly. Your well pulls water from these deep rock layers that sit far beneath the surface.

Iron, sulfate, and arsenic all come from the rock itself. As groundwater moves through these layers over many years, it dissolves these metals and minerals straight out of the stone. The water also picks up salt from ancient seawater trapped in these rocks long ago. These contaminants are natural to the area and come from the geology beneath you, not from land use or pollution nearby.

Your water is very hard and salty. The high sodium and sulfate give the water a salty taste and make it rough on skin and hair. Iron stains sinks, toilets, and laundry orange and brown. You will see buildup on fixtures and inside pipes over time.

What This Means for You

Arsenic exceeds EPA health standards in Gladwin County well water. Iron and sulfate also exceed their limits. This is a serious situation that needs your attention right away. Your family's health depends on knowing what is in your well.

Arsenic builds up in your body over years and damages your kidneys and nervous system. Iron will stain your sinks, toilets, and laundry orange and brown. The extremely high sodium and sulfate will make your water taste salty and bitter. These minerals also build up inside pipes and water heaters.

Get your well water tested by a state-certified lab right now. A basic health screen costs fifty to one hundred dollars. A full mineral and metals panel runs two hundred to four hundred dollars. A reverse osmosis system at your kitchen sink can remove arsenic and lower sodium.

Contaminant Detection Data

Contaminant Samples % Above MCL Distribution Confidence Risk
Iron 15 67% 20% · 13% · 67% Moderate High
Sulfate 38 18% 71% · 10% · 18% Moderate High
Arsenic 7 14% 29% · 57% · 14% Low Moderate
Lead 10 10% 90% · 0% · 10% Low Moderate
Chloride 32 3% 91% · 6% · 3% Moderate Moderate
Radon 1 0% 100% · 0% · 0% Low Moderate
Nitrite 7 0% 100% · 0% · 0% Low Low
Fluoride 10 0% 100% · 0% · 0% Low Low
Uranium 2 0% 100% · 0% · 0% Low Low
Nitrate 18 0% 100% · 0% · 0% Moderate Low
Manganese 1 0% 100% · 0% · 0% Low Safe
Sodium 22 Moderate Low
Nitrate 9 Low Low
pH 6 Low Low
Total Coliform 1 0% 100% · 0% · 0% Low Safe
E. coli 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.

7.7%
Cancer Prevalence
6.5%
Heart Disease Rate
6.2%
Cancer Prevalence
3.0%
Kidney Disease Rate
6.9%
Heart Disease Rate

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