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Water Hardness in 15729

Commodore, Pennsylvania · Indiana County

148 PPM
8.7 GPG
Moderately Hard
0Soft60120180300+
High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 4 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 4 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
1 USGS-backed source
4 matched systems total for this ZIP; 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 Serving 15729

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.

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.
Pa American Water Co-Indiana D
PA5320025
Moderately Hard
139 PPMsurface water22,360 servedHigh Confidence - USGS Monitoring
Green Twp Mun Auth-Commodore
PA5320011
Very Hard
380 PPMgroundwater350 servedEstimated - Nearby Data
Green Twp Mun Auth Barr Slope
PA5320010
Very Hard
380 PPMgroundwater285 servedEstimated - Nearby Data
Green Township Ma Cookport
PA5320029
Very Hard
380 PPMgroundwater250 servedEstimated - Nearby Data

Nearby Zip Codes

157771391572815615710139157341391576113915724139157451391571432615741139157121391576034115742142

What This Means For You

Use this ZIP reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.

MethodologyData sourcesHow 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 Commodore, PA (15729).

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Frequently Asked Questions

Is the water hard in Commodore, PA (15729)?

The average water hardness in 15729 is 148 PPM (8.7 GPG), which is classified as moderately hard.

Do I need a water softener in 15729?

With hardness of 148 PPM, a water softener is worth considering for homes in 15729.

Is hard water in 15729 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 15729?

Zip code 15729 in Commodore, Pennsylvania is served by 4 water systems.

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