PlainWater

Chemung County, New York

SDWIS compliance plate

Sheet NY015 · Chemung County 78 sys · 4,249 viol · #512/3254

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

  • VIOL-SEVERE 97.4% flagged
  • HEALTH-LOW 4.4% health
  • RANK-TOP #512/3254
  • PHOTO-FINISH ±0.1 pp
  • PFAS-MID 33.3% detect
  • SRC-GW GW lead 94%
  • SYS-MID 78 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Fulton County ( -0.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Chemung County ranks #512 of 3,254 counties by people served, and #23 of 58 counties in New York. See methodology · corpus placement.

Chemung County standing, mid-flagged corpus third

Flagged-system rate 97.4% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 4.4% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #512 of 3,254 · #23 of 58 in New York.

Flagged-rate neighbourhood around Chemung County

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

0% 20% 40% 60% 80% 100% Niagara · lowest Chemung · this county Oswego · near Cortland · highest 38.1% 97.1% 97.4% 97.4% 97.6% 97.7% 100%

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

Water Systems

System Name Population Violations PFAS
Elmira Water Board 54,000 92 Clean
Chemung County Fairgrounds 32,800 14 -
Horseheads Village 15,000 1,028 Clean
Big Flats Water District 5 8,489 27 Detected
Park Station Recreation Center 1,560 4 -
His Tabernacle Family Church 850 47 -
Wellsburg Village 580 108 -
Van Etten Town 532 2 -
Breesport Baptist Church 450 34 -
Pine City Elementary School 400 98 -
Beaver Valley Water District 365 42 -
Carriage Estates 300 97 -
Holly Park Terrace 300 16 -
Millport Village Water Supply 292 50 -
Valley Trail Inn 280 17 -
Big Flats Water District 4 266 54 -
Vulcraft of New York 248 4 -
Collingwood LLC Umh NY 212 82 -
Elmira College Murray Center 208 33 -
Westover Hills MHP 200 138 -
Able2 200 75 -
Thunderbird Greens 150 20 -
Chemung Elementary School 139 16 -
Erin Estates 134 30 -
Newtown Creek Community Inc. 120 40 -
Rolling Acres Mobile Home Park 110 79 -
Newtown Battlefield State Park 100 39 -
Chambers Wesleyan Camp 100 82 -
Dandy Mini Mart #57 100 3 -
Angies Mobile Homes LLC 90 141 -
Pine Valley Acres 82 31 -
Crestwood MHP 80 111 -
Maplehurst Park 75 34 -
Sheppards Creek MHP 70 44 -
Dandy Mini Mart #75 70 28 -
Erin Town Hall 65 41 -
Fratellos Pizza Company 60 35 -
Birchland Mhc 50 52 -
Twin Fawn Estates 50 36 -
Relax Inn 46 43 -
Sonnys Bar 35 48 -
Dandy Mini Mart #34 35 20 -
Gerows Dairy 30 60 -
Dandy Mini Mart #71 30 14 -
Tanglewood Nature Center 30 10 -
Wheelers Ice Cream 26 4 -
Wetlands Brewery 26 0 -
Latitude 42 Taphouse 26 0 -
Big Flats United Methodist 25 37 -
Pine Valley Baptist Church 25 51 -

Compare beyond New York

Mid-flagged peers for Chemung County

Cross-state counties nearest Chemung County on flagged-system share (97.4%) and cumulative violation count (4,249). 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
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.