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Water Hardness in Piedmont, SD

South Dakota · 1 zip codes · 25 matched water systems

150 PPM
8.8 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 512 PPM

Dataset updated March 9, 202625 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Weston Heights Homeowners Associatio
SD4600862
Water source: groundwater
Serves: 412
USGS environmental estimate: 597 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 25 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
7 verified treated-water sources
25 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 Piedmont

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

25 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.
Northdale Sanitary District
SD4600514
Very Hard
597 PPMgroundwater1,075 servedHigh Confidence — USGS Monitoring
Piedmont
SD4602303
Very Hard
597 PPMgroundwater971 servedHigh Confidence — USGS Monitoring
Fort Meade Va Center
SD4680002
Very Hard
638 PPMsurface water800 servedHigh Confidence — USGS Monitoring
Weston Heights Homeowners Associatio
SD4600862
Moderately Hard
150 PPMgroundwater412 servedVerified — Annual Water Quality Report
Source water: 597 PPM
Blucksberg Mountain #2
SD4602366
Very Hard
597 PPMgroundwater333 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Piedmont, SD

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Piedmont, SD.

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Frequently Asked Questions

How hard is the water in Piedmont, SD?

The citywide weighted average water hardness in Piedmont, SD is 512 PPM (29.9 GPG), classified as very hard. This is based on 25 matched water systems. The gauge highlights Weston Heights Homeowners Associatio, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Piedmont, SD?

With a citywide average hardness of 512 PPM, a water softener is recommended for homes in Piedmont. Confirm your tap reading before sizing equipment.

Is hard water in Piedmont, 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 Piedmont, SD?

Piedmont, South Dakota is served by 25 matched water systems across 1 zip code.

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