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Water Hardness in Tea, SD

South Dakota · 1 zip codes · 4 matched water systems

250 PPM
14.6 GPG
Very Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 217 PPM

Dataset updated March 9, 20264 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Minnehaha Community Water Corp
SD4600432
Water source: groundwater
Serves: 13,435
USGS environmental estimate: 443 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 4 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
4 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 Tea

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

4 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.
Minnehaha Community Water Corp
SD4600432
Very Hard
250 PPMgroundwater13,435 servedVerified — Annual Water Quality Report
Source water: 443 PPM
Harrisburg
SD4600148
Very Hard
250 PPMgroundwater10,297 servedVerified — Annual Water Quality Report
Source water: 110 PPM
Tea
SD4600409
Slightly Hard
110 PPMgroundwater7,381 servedHigh Confidence — USGS Monitoring
Lewis And Clark Regional Water Syste
SD4602288
Very Hard
443 PPMgroundwater0 servedEstimated — Nearby Data

Zip Codes in Tea, SD

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 Tea, SD.

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Frequently Asked Questions

How hard is the water in Tea, SD?

The citywide weighted average water hardness in Tea, SD is 217 PPM (12.7 GPG), classified as hard. This is based on 4 matched water systems. The gauge highlights Minnehaha Community Water Corp, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Tea, SD?

With a citywide average hardness of 217 PPM, a water softener is recommended for homes in Tea. Confirm your tap reading before sizing equipment.

Is hard water in Tea, SD 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 Tea, SD?

Tea, South Dakota is served by 4 matched water systems across 1 zip code.

Learn More About Your Water