Water Hardness in Darlington, PA
Pennsylvania · 1 zip codes · 7 matched water systems
Dataset updated March 9, 20267 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Darlington, PA Water Hard or Soft?
The citywide weighted average water hardness in Darlington, PA is 149 PPM (8.7 GPG), classified as moderately hard. Individual systems, ZIP codes, and private wells can differ.
Water hardness is not a drinking-water safety score. It measures calcium and magnesium minerals, and address-level results can shift by pressure zone, supply blend, building plumbing, or private well.
How this city reading is built
This city reading is a weighted rollup across 7 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.
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 Darlington
These systems are matched to Darlington, PA. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Beaver Falls Muni Auth PA5040012 | surface water | 140 PPM Moderately Hard | |
| Ambridge Water Auth PA5040008 | surface water | 93 PPM Slightly Hard | |
| Center Twp Water Auth PA5040007 | surface water | 93 PPM Slightly Hard | |
| Mun Water Auth Of Aliquippa PA5040006 | groundwater | 235 PPM Hard | |
| Creswell Heights Jt Auth PA5040063 | groundwater | 235 PPM Hard |
Zip Codes in Darlington, PA
What This Means For You
Use this city 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.
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 Darlington, PA.
Frequently Asked Questions
How hard is the water in Darlington, PA?
The citywide weighted average water hardness in Darlington, PA is 149 PPM (8.7 GPG), classified as moderately hard. This is based on 7 matched water systems.
Do I need a water softener in Darlington, PA?
With a citywide average hardness of 149 PPM, a water softener is worth considering for homes in Darlington. Confirm your tap reading before sizing equipment.
Is hard water in Darlington, PA 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 Darlington, PA?
Darlington, Pennsylvania is served by 7 matched water systems across 1 zip code.
Learn More About Your Water
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