PlainWater

Erie County, New York

SDWIS compliance plate

Sheet NY029 · Erie County 108 sys · 7,606 viol · #58/3254

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

  • VIOL-SEVERE 92.6% flagged
  • HEALTH-LOW 6.7% health
  • RANK-TOP #58/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-LOW 10.0% detect
  • SRC-GW GW lead 76%
  • SYS-MID 108 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Chenango County (+ 0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Erie County ranks #58 of 3,254 counties by people served, and #5 of 58 counties in New York. See methodology · corpus placement.

Erie County standing, lower-flagged corpus third

Flagged-system rate 92.6% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 6.7% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 10.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #58 of 3,254 · #5 of 58 in New York.

Flagged-rate neighbourhood around Erie County

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

0% 20% 40% 60% 80% 100% Niagara · lowest Wyoming · near Chenango · near Cortland · highest 38.1% 92.3% 92.3% 92.6% 92.8% 93.1% 100%

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

Water Systems

System Name Population Violations PFAS
Ecwa Direct 335,000 6 Clean
Buffalo Water Authority 276,000 106 Clean
Ecwa Amherst 80,228 0 -
Tonawanda, Town Water Dept. 72,571 0 Clean
Ecwa Orchard Park 23,387 2 -
Ecwa West Seneca 23,181 0 -
Ecwa Lancaster 21,428 0 -
Grand Island Town Water Dept. 19,500 156 Clean
Kenmore Village 15,423 10 Clean
Ecwa Evans 12,417 14 -
Elma Water District No. 1 10,287 24 Clean
Ecwa Hamburg (V) 9,744 0 -
East Aurora Village 6,610 34 Detected
Ecwa Boston 6,604 0 -
Ecwa Newstead 5,319 3 -
Springville Village 4,266 270 Clean
Angola Village 4,050 45 Clean
Akron Village 3,100 68 -
Orchard Park Village 3,100 8 -
Alden Village 2,666 177 -
Kissing Bridge Central 2,525 6 -
Kissing Bridge North 2,500 5 -
Holland Water District 1,680 54 -
Collins/Gowanda Correctional Facility 1,512 73 Clean
North Collins Village 1,496 74 -
Collins Wds #1 and #2 1,400 41 -
Collins WD #3 760 43 -
The Annex of Wny LLC 500 25 -
Sprague Brook Park 500 35 -
Brant, Town Of 465 23 -
Colden Water District #1 445 30 -
Farnham Village 404 23 -
Craneridge Water Supply 360 11 -
Springville Country Club 350 43 -
Camp Seven Hills 346 20 -
Brant Vol. Fire Co. No.1, Inc. 300 11 -
Wales Elementary School 250 163 -
Gowanda Country Club 250 6 -
Colden Lakes, Inc. 210 27 -
Chaffee Water Co 200 281 -
Suburban Adult Services Inc 200 28 -
Evans Water District 160 28 -
Mountain Meadows Campground 160 20 -
Hunters Creek Mobile Home Park 150 1,596 -
Chaffee Lodge 150 35 -
Nicolos Family Restaurant 144 7 -
Holland Willows Restaurant 140 14 -
Three Valley Natural Campgroun 132 3 -
Creekside M.H.P. 120 166 -
Springwood Mobile Village 120 84 -

Compare beyond New York

Lower-flagged peers for Erie County

Cross-state counties nearest Erie County on flagged-system share (92.6%) and cumulative violation count (7,606). 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.