Water Hardness in 49221
Adrian, Michigan · Lenawee County
Dataset updated March 9, 2026Matched to 11 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 11 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.
Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.
Water Systems Serving 49221
These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
Adrian MI0000040 | surface water | 337 PPM Very Hard | |
Madison Township MI0004006 | groundwater | 337 PPM Very Hard | |
Lee Villa Mobile Home Park MI0040308 | groundwater | 337 PPM Very Hard | |
Lake Arrowhead Estates MI0003692 | groundwater | 337 PPM Very Hard | |
Richlyn Manor MI0000048 | groundwater | 337 PPM Very Hard |
Nearby Zip Codes
What This Means For You
Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.
Very Hard Water - Treatment Strongly Recommended
Your water is very hard. Without treatment, you can expect significant scale buildup in pipes and appliances, higher energy bills from reduced water heater efficiency, and persistent issues with skin and hair dryness.
Recommended Products
Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | How to Test Your Water
Know your water hardness?
If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Adrian, MI (49221).
Frequently Asked Questions
Is the water hard in Adrian, MI (49221)?
The average water hardness in 49221 is 337 PPM (19.7 GPG), which is classified as very hard.
Do I need a water softener in 49221?
With hardness of 337 PPM, a water softener is recommended for homes in 49221.
Is hard water in 49221 safe to drink?
Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.
How many water systems serve 49221?
Zip code 49221 in Adrian, Michigan is served by 11 water systems.
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