Where does the water in 16201 come from?

Water for zip code 16201 in Kittanning, Pennsylvania is provided by 3 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 16201

Kittanning, Pennsylvania · Armstrong County

138 PPM

8.1 GPG

Moderately Hard

0Soft60120180300+

High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 3 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 3 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

3 USGS-backed sources

3 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 16201

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.

3 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.

Water System	Source	Hardness	Pop. Served	Data Source
West Kittanning Muni Auth PA5030045	surface water	69 PPM Slightly Hard	2,000	High Confidence - USGS Monitoring
Kittanning Plumcreek Watr Auth PA5030013	groundwater	268 PPM Very Hard	600	High Confidence - USGS Monitoring
Rayburn Twp Joint Muni Auth PA5030020	groundwater	268 PPM Very Hard	460	High Confidence - USGS Monitoring

West Kittanning Muni Auth

PA5030045

Slightly Hard

69 PPMsurface water2,000 servedHigh Confidence - USGS Monitoring

Kittanning Plumcreek Watr Auth

PA5030013

Very Hard

268 PPMgroundwater600 servedHigh Confidence - USGS Monitoring

Rayburn Twp Joint Muni Auth

PA5030020

Very Hard

268 PPMgroundwater460 servedHigh Confidence - USGS Monitoring

Nearby Zip Codes

16238130 16236130 16228130 16210117 16226268 16212130 16263130 16259128 1624987 1573687 16262268 16218130

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.

Methodology Data sources How 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 Kittanning, PA (16201).

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Frequently Asked Questions

Is the water hard in Kittanning, PA (16201)?

The average water hardness in 16201 is 138 PPM (8.1 GPG), which is classified as moderately hard.

Do I need a water softener in 16201?

With hardness of 138 PPM, a water softener is worth considering for homes in 16201.

Is hard water in 16201 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 16201?

Zip code 16201 in Kittanning, Pennsylvania is served by 3 water systems.