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Water Hardness in 35078

Harpersville, Alabama · Shelby County

137 PPM
8 GPG
Moderately Hard
0Soft60120180300+
High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 7 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 7 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
2 USGS-backed sources
7 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 35078

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.

7 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.
Alabaster Water Board
AL0001148
Hard
182 PPMsurface water41,061 servedEstimated - Nearby Data
Shelby County Commission-Water Services
AL0001671
Hard
182 PPMsurface water40,101 servedEstimated - Nearby Data
Pelham Water Works
AL0001163
Hard
182 PPMsurface water38,703 servedEstimated - Nearby Data
Calera Water Works
AL0001150
Soft
45 PPMsurface water26,982 servedHigh Confidence - USGS Monitoring
Helena, Utilities Board Of The City Of
AL0001157
Soft
51 PPMsurface water21,300 servedEstimated - Nearby Data
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

3504455351861373517813735147138350144935051137351761373504313735054853514947352421373515042

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 Harpersville, AL (35078).

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Frequently Asked Questions

Is the water hard in Harpersville, AL (35078)?

The average water hardness in 35078 is 137 PPM (8 GPG), which is classified as moderately hard.

Do I need a water softener in 35078?

With hardness of 137 PPM, a water softener is worth considering for homes in 35078.

Is hard water in 35078 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 35078?

Zip code 35078 in Harpersville, Alabama is served by 7 water systems.

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