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OSSINING WATER DEPARTMENT

New York — Community Water System — PWSID: NY5903451

System Information

PWSIDNY5903451
System NameOSSINING WATER DEPARTMENT
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region02
Serves SchoolNo
WholesalerNo
First ReportedJan 29, 1981
Last ReportedDec 23, 2025

Location & Contact

StateNew York
CityOSSINING
ZIP Code10562
AddressVillage of Ossining
OrganizationD'ATTORE, KAREN
Phone914-941-3554

Population & Service

Population Served30,000
Service Connections6,600

Drinking Water Violations (214)

This water system has 214 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
Apr 1, 2022 Jun 30, 2022 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MR No No — 0.080 mg/L — Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MR No No — 0.080 mg/L — Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MR No No — 0.080 mg/L — Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MR No No — 0.080 mg/L — Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Dec 31, 2015 Aldicarb sulfoxide MR No Yes — — — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Aldicarb sulfoxide MR No Yes — — — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Aldicarb sulfoxide MR No Yes — — — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Aldicarb sulfone MR No Yes — — — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Aldicarb sulfone MR No Yes — — — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Aldicarb sulfone MR No Yes — — — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Aldicarb MR No Yes — — — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Aldicarb MR No Yes — — — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Aldicarb MR No Yes — — — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2015 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2015 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2015 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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