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Counties → New York

Rockland County, New York

SDWIS compliance plate

Sheet NY087 · Rockland County 49 sys · 947 viol · #215/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · BELOW-PEER · PFAS-HIGH · SRC-GW · SYS-MID · BOOK-FULL

  • VIOL-SEVERE 79.6% flagged
  • HEALTH-LOW 19.0% health
  • RANK-TOP #215/3254
  • BELOW-PEER 1.3 pp cleaner
  • PFAS-HIGH 100.0% detect
  • SRC-GW GW lead 88%
  • SYS-MID 49 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Suffolk County (+ 1.3 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Rockland County ranks #215 of 3,254 counties by people served, and #9 of 58 counties in New York. See methodology · corpus placement.

Rockland County standing, lower-flagged corpus third

Flagged-system rate 79.6% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 19.0% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #215 of 3,254 · #9 of 58 in New York.

Flagged-rate neighbourhood around Rockland County

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

0% 20% 40% 60% 80% 100% Niagara · lowest Suffolk · near Onondaga · near Cortland · highest 38.1% 79.6% 80.9% 82.6% 83% 84.6% 100%

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

Water Systems

System Name Population Violations PFAS
Veolia Water New York 270,000 155 Detected
Lake Welch + Sebago Beach W.S. 15,000 51 -
Nyack Village Water Supply 14,700 29 Detected
Suffern Village 12,000 63 Detected
Yeshiva Washington Ave 1,000 40 -
Deer Mountain Day Camp 1,000 2 -
Hillburn Village 950 6 -
Ramapo Country Day Camp 950 0 -
Yeshiva Avir Yakov Girls School 900 45 -
Camp Ramaquois 800 9 -
Spook Rock Pool 800 0 -
Yeshiva Main Street 800 2 -
Ramah Day Camp 750 0 -
Woodmont Day Camp 640 4 -
Gate Hill Day Camp 555 1 -
Spook Rock Golf Course 375 6 -
Reeves Meadow Visitors Center 350 3 -
High-Tor Properties 300 7 -
Ricks Club American 300 2 -
Mount Fuji 282 9 -
High Tor State Park WS 250 5 -
Camp Bullowa 227 339 -
Mountainview Mobile Home Park 225 25 -
Naurashaun Swim Club 200 6 -
Sts Constantine & Helen Greek 200 0 -
Camp Scuffy 190 0 -
Camp Addisone Boyce 185 6 -
Mt. Ivy 2019 Mhc, LLC 170 8 -
Stony Point Municipal Pool 150 0 -
Garnerville Holding Company 125 0 -
Town & Country 100 0 -
Rockland Country Club 100 1 -
Coptic Church 100 8 -
Lake Lucille Prop Owners Assoc 92 14 -
Nauraushaun Presbyterian Church 80 4 -
J&R Mobile Homes 75 4 -
Hilltop House 73 2 -
Fountainhead Trailer Park 60 7 -
536 Route 9W 60 5 -
Mazza-Leone Mobile Home Court 55 10 -
Sister Servants of Mary Immaculate 55 9 -
Torne Brook Farm 50 12 -
Sunrise Bungalows 50 2 -
Pomona Glen 50 0 -
Pomona Country Club 30 20 -
J&j Dodge 25 17 -
Orchards of Concklin, The 25 5 -
Kearsing Edwards 25 0 -
The Ranch Hudson Valley 25 4 -

Compare beyond New York

Lower-flagged peers for Rockland County

Cross-state counties nearest Rockland County on flagged-system share (79.6%) and cumulative violation count (947). 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.