Where does the water in 12956 come from?

Water for zip code 12956 in Mineville, New York 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 12956

Mineville, New York · Essex County

117 PPM

6.9 GPG

Slightly 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 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 12956

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
Clinton Correctional Facility NY0904192	groundwater	191 PPM Hard	4,900	High Confidence — USGS Monitoring
Adirondack Correctional Facility NY1510497	surface water	11 PPM Soft	2,400	High Confidence — USGS Monitoring
Wilmington Wd NY1500300	surface water	11 PPM Soft	980	High Confidence — USGS Monitoring

Clinton Correctional Facility

NY0904192

Hard

191 PPMgroundwater4,900 servedHigh Confidence — USGS Monitoring

Adirondack Correctional Facility

NY1510497

Soft

11 PPMsurface water2,400 servedHigh Confidence — USGS Monitoring

Wilmington Wd

NY1500300

Soft

11 PPMsurface water980 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

1297416 1296111 1299322 1296011 0549145 1296411 1293221 1292851 0573481 1293612 05456191 1285511

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Water Hardness Test Kit

Our PickVarify (150 Strips)Also GreatJNW Direct (150 Strips)

Salt-Free Water Conditioner

Our PickSpringWell Salt-Free Cartridge

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | 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 Mineville, NY (12956).

Submit Your Data

Frequently Asked Questions

Is the water hard in Mineville, NY (12956)?

The average water hardness in 12956 is 117 PPM (6.9 GPG), which is classified as slightly hard.

Do I need a water softener in 12956?

At 117 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 12956 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 12956?

Zip code 12956 in Mineville, New York is served by 3 water systems.