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Water Hardness in Lakeville, IN

Indiana · 1 zip codes · 3 matched water systems

325 PPM
19 GPG
Very Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 325 PPM

Dataset updated March 9, 20263 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
South Bend Water Works
IN5271014
Water source: groundwater
Serves: 115,000
USGS environmental estimate: 279 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 3 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
2 verified treated-water sources
3 matched systems total for this city; treated-water reports are prioritized when available.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

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 in Lakeville

These systems are matched to Lakeville, IN. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

3 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
South Bend Water Works
IN5271014
Very Hard
325 PPMgroundwater115,000 servedVerified — Annual Water Quality Report
Source water: 279 PPM
Mishawaka Utilities
IN5271009
Very Hard
325 PPMgroundwater49,675 servedVerified — Annual Water Quality Report
Source water: 279 PPM
Lakeville Water Department
IN5271008
Very Hard
279 PPMgroundwater750 servedEstimated — Nearby Data

Zip Codes in Lakeville, IN

What This Means For You

Recommendations are based on the displayed 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 Lakeville, IN.

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Frequently Asked Questions

How hard is the water in Lakeville, IN?

The citywide weighted average water hardness in Lakeville, IN is 325 PPM (19 GPG), classified as very hard. This is based on 3 matched water systems. The gauge highlights South Bend Water Works, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Lakeville, IN?

With a citywide average hardness of 325 PPM, a water softener is recommended for homes in Lakeville. Confirm your tap reading before sizing equipment.

Is hard water in Lakeville, IN 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 Lakeville, IN?

Lakeville, Indiana is served by 3 matched water systems across 1 zip code.

Learn More About Your Water