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Counties → New York

Montgomery County, New York

SDWIS compliance plate

Sheet NY057 · Montgomery County 53 sys · 7,678 viol · #1138/3254

VIOL-SEVERE · HEALTH-LOW · RANK-UPPER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-MID · BOOK-FULL

  • VIOL-SEVERE 98.1% flagged
  • HEALTH-LOW 7.6% health
  • RANK-UPPER #1138/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 81%
  • SYS-MID 53 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Ontario County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Montgomery County ranks #1,138 of 3,254 counties by people served, and #46 of 58 counties in New York. See methodology · corpus placement.

Montgomery County standing, mid-flagged corpus third

Flagged-system rate 98.1% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 7.6% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,138 of 3,254 · #46 of 58 in New York.

Flagged-rate neighbourhood around Montgomery County

Lowest/highest poles plus in-state counties nearest Montgomery County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Niagara · lowest Orange · near Montgomery · this county Cortland · highest 38.1% 98% 98% 98% 98.1% 98.1% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Amsterdam (C) 20,700 160 Clean
Amsterdam (T) 3,000 203 -
Canajoharie (V) Water Works 2,300 101 -
Fort Plain (V) Water Works 2,250 192 Clean
Nys Thruway-Pattersonville Service Area 2,221 28 -
St. Johnsville Village Water Works 1,700 263 -
Fonda (V) Water Works 1,080 111 -
Palatine Bridge (V) Water Works 900 96 -
Fultonville Village PWS 740 321 -
Nelliston (V) Water Works 535 48 -
Florida (T) Water District 432 129 -
Capstone Center for Rehab and Nursing 330 220 -
Fulmont Early Childhood Services@truax 200 326 -
Antler Country Club 160 69 -
Country Estates 150 106 -
Valentinos Restaurant 150 72 -
Greenview Restaurant @ Canajoharie Cc 137 308 -
Meadowbrook Saloon 101 105 -
Pine Meadow Mhc 100 78 -
Loopies Irish Pub 100 24 -
Ripepis Restaurant 100 40 -
Karens Produce 100 201 -
Cps Family Restaurant 99 12 -
Pattersonville Mobile Home #1 81 638 -
Shady Lane Park, Inc. 80 328 -
Cronies Restaurant 75 52 -
El Rancho Drive IN 75 14 -
Parkside Drive IN 75 29 -
Faith Bible Church 75 353 -
Full-Tan Sun Club 70 49 -
Anderson Instrument Company 70 391 -
Mountain Man Hunting Club 65 45 -
Driscoll Foods 60 259 -
Pattersonville Mobile Home #2 50 601 -
Lombardos Pizzeria Plus 50 31 -
Country Club Estates-Antlers 50 75 -
Rama Real Properties LLC 50 63 -
Glen Water District 1 50 19 -
Isaan Thai Restaurant 45 47 -
Checkers Out Speedway 42 77 -
Old Trail Estates 40 34 -
Glen Water District 2 35 20 -
Nat. Shrine of the N.a.martyrs 25 42 -
Tribes Hill Deli 25 335 -
Stewarts #319 25 146 -
Stewarts #102 25 8 -
Stewarts #655 / Mobile 300 25 13 -
67 Super - Stop / Adirondack Towing 25 41 -
Town & Country Meat and Cheese 25 713 -
St. Johnsville Civic Club 25 13 -

Compare beyond New York

Mid-flagged peers for Montgomery County

Cross-state counties nearest Montgomery County on flagged-system share (98.1%) and cumulative violation count (7,678). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.