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MASSAPEQUA WD

New York — Community Water System — PWSID: NY2902837

System Information

PWSIDNY2902837
System NameMASSAPEQUA WD
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeMixed
EPA Region02
Serves SchoolNo
WholesalerNo
First ReportedJan 29, 1981
Last ReportedDec 23, 2025

Location & Contact

StateNew York
CityMASSAPEQUA
ZIP Code11758
Address84 GRAND AVE
OrganizationREILLY, KEVIN
Phone516-798-5266

Population & Service

Population Served43,000
Service Connections13,743

Drinking Water Violations (122)

This water system has 122 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jan 1, 2018 Dec 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 Dec 31, 2005 Heptachlor MR No No — 0.0004 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Pentachlorophenol MR No No — 0.001 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Pentachlorophenol MR No No — 0.001 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Pentachlorophenol MR No No — 0.001 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 2,4-D MR No No — 0.07 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 2,4-D MR No No — 0.07 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 2,4-D MR No No — 0.07 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Hexachlorocyclopentadiene MR No No — 0.05 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Hexachlorocyclopentadiene MR No No — 0.05 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 LASSO MR No No — — — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 LASSO MR No No — — — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 LASSO MR No No — — — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Aldicarb sulfoxide MR No No — — — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Aldicarb sulfoxide MR No No — — — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Picloram MR No No — 0.5 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Picloram MR No No — 0.5 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Heptachlor MR No No — 0.0004 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Heptachlor MR No No — 0.0004 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Heptachlor epoxide MR No No — 0.0002 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Atrazine MR No No — 0.003 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Atrazine MR No No — 0.003 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Atrazine MR No No — 0.003 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Aldicarb MR No No — — — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Carbofuran MR No No — 0.04 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Carbofuran MR No No — 0.04 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Aldicarb MR No No — — — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Aldicarb sulfone MR No No — — — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Aldicarb sulfone MR No No — — — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Aldicarb sulfone MR No No — — — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Dinoseb MR No No — 0.007 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Dinoseb MR No No — 0.007 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Simazine MR No No — 0.004 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 OXAMYL MR No No — 0.2 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Benzo(a)pyrene MR No No — 0.0002 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Benzo(a)pyrene MR No No — 0.0002 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals
Oct 1, 2005 Dec 31, 2005 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Resolved Dec 31, 2005 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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