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Water Hardness in 77363

Plantersville, Texas · Grimes County

151 PPM
8.8 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 6 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 6 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.

Source basis
5 USGS-backed sources
6 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
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 Serving 77363

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.

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.
Wickson Creek Sud Grimes County
TX0930003
Moderately Hard
171 PPMgroundwater4,843 servedEstimated — County Avg
Dobbin Plantersville Wsc 1
TX1700178
Moderately Hard
160 PPMgroundwater4,767 servedHigh Confidence — USGS Monitoring
Dobbin Plantersville Wsc 2
TX0930049
Moderately Hard
160 PPMgroundwater2,766 servedHigh Confidence — USGS Monitoring
Tdcj Pack Unit
TX0930034
Slightly Hard
95 PPMgroundwater1,597 servedHigh Confidence — USGS Monitoring
Tdcj Luther Units
TX0930033
Slightly Hard
95 PPMgroundwater1,431 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

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.

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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 Plantersville, TX (77363).

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Frequently Asked Questions

Is the water hard in Plantersville, TX (77363)?

The average water hardness in 77363 is 151 PPM (8.8 GPG), which is classified as moderately hard.

Do I need a water softener in 77363?

With hardness of 151 PPM, a water softener is worth considering for homes in 77363.

Is hard water in 77363 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 77363?

Zip code 77363 in Plantersville, Texas is served by 6 water systems.

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