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Counties → New York

Chautauqua County, New York

SDWIS compliance plate

Sheet NY013 · Chautauqua County 192 sys · 9,066 viol · #494/3254

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

  • VIOL-SEVERE 98.4% flagged
  • HEALTH-LOW 3.0% health
  • RANK-TOP #494/3254
  • PHOTO-FINISH ±0.1 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 90%
  • SYS-LARGE 192 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Yates County (+ 0.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Chautauqua County ranks #494 of 3,254 counties by people served, and #22 of 58 counties in New York. See methodology · corpus placement.

Chautauqua County standing, mid-flagged corpus third

Flagged-system rate 98.4% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 3.0% 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 #494 of 3,254 · #22 of 58 in New York.

Flagged-rate neighbourhood around Chautauqua County

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

0% 20% 40% 60% 80% 100% Niagara · lowest Chautauqua · this county Delaware · near Cortland · highest 38.1% 98.3% 98.4% 98.5% 98.6% 98.6% 100%

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

Water Systems

System Name Population Violations PFAS
Jamestown Bpu 46,712 171 Clean
Dunkirk City 12,743 61 Clean
Fredonia Village 9,455 269 Clean
Chautauqua Utility District 9,000 67 Clean
Westfield Village and Town 3,890 48 Clean
Silver Creek Village 3,100 84 -
North Chautauqua County Water District 3,100 30 -
Brocton Portland Water District 3,086 5 -
Carroll (T) Water District 2,600 8 -
Hanover WD #1 5&20 Slvr Crk to Catt Crk 2,173 26 -
Mayville Village 2,000 88 -
I-86 Rest Stop 1,400 30 -
Ripley Water District 1,300 19 -
Heron, The 999 15 -
Cassadaga Village 822 17 -
Hanover WD #3 - Forestville 804 126 -
Sinclairville Village 772 258 -
Crosby Mart 700 26 -
Sherman Village 677 94 -
Clymer Water District 650 2 -
Pine Valley Central Schools 648 85 -
Panama Central School 550 71 -
Blue Water Beach 500 22 -
Peek N Peak Recreation 500 26 -
Chautauqua Water District #2 490 327 -
Brushwood Folklore Center 480 25 -
Cherry Creek Town 440 3 -
Maple Grove JR SR High School 433 22 -
Heritage Village Retirement Campus 430 136 -
Heritage Green Health Care Cen 400 18 -
Camp Chautauqua 400 184 -
Pomfret Water District #8 - Lily Dale 400 11 -
Pumpkintown 400 2 -
Pomfret North End Water District 360 9 -
Bemus Point Elementary School 357 30 -
Lake Erie Estates 320 710 -
Pine Bluff Court 312 29 -
Grandview of Ellington, The 300 32 -
Homestead Park Campground 250 10 -
Lake Chautauqua KOA Campground 250 33 -
Yogi Bears Jellystone Park Camp-Res 250 8 -
Maplehurst Country Club 250 90 -
Paul Bd Temple School 250 100 -
Midway State Park 250 0 -
High Acres Mobile Home Park 248 28 -
Camp Prendergast 225 24 -
Camp Onyahsa 225 67 -
Bella Vista Campground 203 29 -
Hillside Estates MHP 200 93 -
Brookside Estates MHP 200 9 -

Compare beyond New York

Mid-flagged peers for Chautauqua County

Cross-state counties nearest Chautauqua County on flagged-system share (98.4%) and cumulative violation count (9,066). 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.