How does Ogdensburg's water compare to the national average?

The USA national average is 151 mg/L. Ogdensburg (≈ 120–179 mg/L) is 1 mg/L softer than average.

Ogdensburg Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

8.2

neutral = 7.0

Lead

0.003 mg/L

✓ Below action level

TDS

240 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · est.

0–60

mg/L

Soft

61–120

mg/L

Moderately Hard

121–180

mg/L

Hard

180+

mg/L

Very Hard

Appliance Damage Report

In Ogdensburg, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Ogdensburg	Soft Water City	Efficiency Loss
Kettle	6.8 yrs	8.5 yrs	-20%
Washing Machine	9.6 yrs	12 yrs	-20%
Water Heater	12 yrs	15 yrs	-20%

Regional Water Comparison

How Ogdensburg compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Ogdensburg, New York	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir
Massena, New York	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir
Fort Drum, New York	≈ 120–179 mg/L	106 ppt	🟠 Hard	reservoir
Watertown, New York	≈ 120–179 mg/L	11.2 ppt	🟠 Hard	reservoir
Rome, New York	≈ 0–60 mg/L	0 ppt	🟢 Soft	reservoir

National Benchmark

How Ogdensburg compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Ogdensburg	≈ 120–179 mg/L	🟠 Moderate
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

Bring Scarsdale-quality water to your Ogdensburg home

Shop water softeners on Amazon.com →

Shop Now

What Makes Ogdensburg's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 240 mg/LpH: 8.2

The Ogdensburg City Water Department provides water to around 10,000 residents in Ogdensburg, New York. This public water system, identified by ID #4404394, draws its supply from the St. Lawrence River. An intake station on the city's west side feeds water to the treatment facility, which is managed by the City of Ogdensburg. The utility serves Oswego County and nearby areas, treating the water to meet state and federal drinking water regulations.

The water's journey begins in a region shaped by Precambrian Canadian Shield bedrock and overlying Paleozoic sedimentary layers. As the St. Lawrence River flows through terrain rich in limestone and dolomite, it picks up minerals. These calcium and magnesium-rich rock formations are the main reason the water supplied to Ogdensburg is considered moderately hard.

Homeowners in Ogdensburg might notice scale forming in appliances like kettles and water heaters over time. You may also find that soap and detergents aren't quite as effective, requiring a bit more product for cleaning. To combat mineral buildup, consider regularly descaling your appliances and flushing your pipes. Installing a water softener is often recommended, especially if your household uses a lot of water or you want to protect sensitive equipment. While the latest report showed no MCL violations, the utility advises flushing your pipes for a few minutes before using tap water for drinking or cooking as a precaution.

Geology & Source: Precambrian Canadian Shield bedrock and Paleozoic sedimentary formations; limestone and dolomite-influenced terrain contribute to moderate hardness

Other New York Water Reports

Massena

≈ 120–179 mg/L

🟠 Hard

Fort Drum

≈ 120–179 mg/L

🟠 Hard

Watertown

≈ 120–179 mg/L

🟠 Hard

Rome

≈ 0–60 mg/L

🟢 Soft

Report an Issue

Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Ogdensburg's water safe to drink?

Yes. Ogdensburg's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Ogdensburg?

At ≈ 120–179 mg/L (Hard), Ogdensburg's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.

How does Ogdensburg compare to the USA average?

The USA national average is 151 mg/L. Ogdensburg (≈ 120–179 mg/L) is 1 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Ogdensburg is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

Water Hardness

Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.

Estimated

TDS — Total Dissolved Solids

Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.

Measured

PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.

Modelled

Lead

Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.

Calculated

Appliance Lifespan

Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.