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Tap water quality report

Plattsburgh, NY

EPA monitoring detected 20 contaminants across the 4 water suppliers serving Plattsburgh. A detection doesn't automatically mean the water is unsafe — see the level at the main supplier for each below, with its EPA source and period.

4
water suppliers
36,232
people served
20
contaminants found
New York rankings Lead in New York PFAS in New York

What was found in Plattsburgh's water

The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Fluoride
900 µg/L 23%
of the EPA limit 4000 µg/L
Main supplier: PLATTSBURGH CITY · 24,173 people · 2019
Highest in the city: 1100 µg/L — PLATTSBURGH CONSOLIDATED WATER DISTRICT · 11,162 people · 2019
4/4 SYR4
Nitrate
285 µg/L 2.9%
of the EPA limit 10000 µg/L
Main supplier: PLATTSBURGH CITY · 24,173 people · 2019
Highest in the city: 1100 µg/L — CADYVILLE WATER DISTRICT · 843 people · 2019
4/4 SYR4
Nitrate-Nitrite
570 µg/L 5.7%
of the EPA limit 10000 µg/L
Main supplier: PLATTSBURGH CITY · 24,173 people · 2015
1/4 SYR4
Nitrite
285 µg/L 28%
of the EPA limit 1000 µg/L
Main supplier: PLATTSBURGH CITY · 24,173 people · 2015
1/4 SYR4
TTHM
89.2 µg/L 112%
of the EPA limit, at the 95th percentile of samples — 80 µg/L
Main supplier: PLATTSBURGH CITY · 24,173 people · 2019
4/4 SYR4
Chloroform
83.15 µg/L
No EPA limit set
Main supplier: PLATTSBURGH CITY · 24,173 people · 2017
4/4 SYR4
Barium
16.95 µg/L 0.8%
of the EPA limit 2000 µg/L
Main supplier: PLATTSBURGH CITY · 24,173 people · 2019
Highest in the city: 72.65 µg/L — NORTHWAY MOBILE HOME PARK - PLATTSBURGH · 54 people · 2017
4/4 SYR4
Total Haloacetic Acids (HAA5)
59.35 µg/L 99%
of the EPA limit 60 µg/L
Main supplier: PLATTSBURGH CITY · 24,173 people · 2019
2/4 SYR4
Dibromochloromethane
35.365 µg/L
No EPA limit set
Main supplier: PLATTSBURGH CITY · 24,173 people · 2017
4/4 SYR4
Trichloroacetic Acid
34 µg/L
No EPA limit set
Main supplier: PLATTSBURGH CITY · 24,173 people · 2017
1/4 SYR4
Dichloroacetic Acid
17.4 µg/L
No EPA limit set
Main supplier: PLATTSBURGH CITY · 24,173 people · 2017
3/4 SYR4
Bromodichloromethane
5.1235 µg/L
No EPA limit set
Main supplier: PLATTSBURGH CITY · 24,173 people · 2017
4/4 SYR4
Monochloroacetic Acid
2.28 µg/L
No EPA limit set
Main supplier: PLATTSBURGH CITY · 24,173 people · 2017
1/4 SYR4
Combined Radium (-226 And -228)
0.5000 pCi/L 10%
of the EPA limit 5 pCi/L
Main supplier: PLATTSBURGH CITY · 24,173 people · 2014
Highest in the city: 1.183 pCi/L — NORTHWAY MOBILE HOME PARK - PLATTSBURGH · 54 people · 2016
2/4 SYR4
Dibromoacetic Acid
1 µg/L
No EPA limit set
Main supplier: PLATTSBURGH CITY · 24,173 people · 2017
1/4 SYR4
Monobromoacetic Acid
1 µg/L
No EPA limit set
Main supplier: PLATTSBURGH CITY · 24,173 people · 2017
1/4 SYR4
Bromoform
0.5000 µg/L
No EPA limit set
Main supplier: PLATTSBURGH CITY · 24,173 people · 2017
1/4 SYR4
Chromium
0.2695 µg/L 0.3%
of the EPA limit 100 µg/L
Main supplier: PLATTSBURGH CITY · 24,173 people · 2019
1/4 SYR4
Pfhpa
0.0031 µg/L
No EPA limit set
Main supplier: PLATTSBURGH CITY · 24,173 people · 2024
1/4 UCMR-5
Lead
0.0022 mg/L 15%
of the EPA limit 0.0150 mg/L
Main supplier: PLATTSBURGH CITY · 24,173 people · 2026
Highest in the city: 0.0030 mg/L — PLATTSBURGH CONSOLIDATED WATER DISTRICT · 11,162 people · 2024
4/4 LCR
Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of the system's samples — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately. These are the utilities' own EPA-reported results, not a city-wide average. A detection means the lab measured the substance — it isn't the same as exceeding a legal limit. Hover a source tag to see the EPA program and years behind each figure.

Water suppliers serving Plattsburgh

SupplierPopulation served
PLATTSBURGH CITY 24,173
PLATTSBURGH CONSOLIDATED WATER DISTRICT 11,162
CADYVILLE WATER DISTRICT 843
NORTHWAY MOBILE HOME PARK - PLATTSBURGH 54

Frequently asked questions about Plattsburgh tap water

Is Plattsburgh tap water safe to drink?

EPA testing detected 20 contaminants in the water serving Plattsburgh. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.

How many water suppliers serve Plattsburgh?

4 public water suppliers report drinking-water monitoring for Plattsburgh, New York to the EPA. Each is listed above with its population served.

What contaminants are in Plattsburgh's water?

The contaminants EPA monitoring detected in Plattsburgh include Fluoride, Nitrate, Nitrate-Nitrite, Nitrite, TTHM. The full list, with the level at the main supplier and the data source, is in the table above.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.