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Water Hardness in Grottoes, VA

Virginia · 1 zip codes · 6 matched water systems

250 PPM
14.6 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20266 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 6 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
3 USGS-backed sources
6 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. 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 Grottoes

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

6 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.
Three Springs Regional - Rcpw
VA2165705
Very Hard
252 PPMsurface water14,834 servedEstimated — County Avg
Massanutten Village
VA2165525
Very Hard
252 PPMgroundwater5,472 servedEstimated — County Avg
Grottoes, Town Of
VA2165330
Hard
237 PPMgroundwater3,328 servedHigh Confidence — USGS Monitoring
R.R. Donnelley- Rcpw
VA2165668
Very Hard
252 PPMsurface water1,332 servedEstimated — County Avg
Jollett Springs Mobile Home Park
VA2015050
Hard
237 PPMgroundwater150 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Grottoes, VA

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 Grottoes, VA.

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Frequently Asked Questions

How hard is the water in Grottoes, VA?

The citywide weighted average water hardness in Grottoes, VA is 250 PPM (14.6 GPG), classified as hard. This is based on 6 matched water systems.

Do I need a water softener in Grottoes, VA?

With a citywide average hardness of 250 PPM, a water softener is recommended for homes in Grottoes. Confirm your tap reading before sizing equipment.

Is hard water in Grottoes, VA 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 Grottoes, VA?

Grottoes, Virginia is served by 6 matched water systems across 1 zip code.

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