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UNADILLA VILLAGE

New York — Community Water System — PWSID: NY3800158

System Information

PWSIDNY3800158
System NameUNADILLA VILLAGE
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region02
Serves SchoolNo
WholesalerNo
First ReportedJan 29, 1981
Last ReportedDec 23, 2025

Location & Contact

StateNew York
CityUNADILLA
ZIP Code13849
AddressP.O. Box 386
OrganizationUNADILLA MAYOR AND VILLAGE BOARD
Phone—

Population & Service

Population Served1,128
Service Connections488

Drinking Water Violations (357)

This water system has 357 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, 2024 Dec 31, 2024 Styrene MR No Yes — 0.1 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Vinyl chloride MR No Yes — 0.002 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Tetrachloroethylene MR No Yes — 0.005 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jun 9, 2025 Consumer Confidence Rule
Jan 1, 2024 Dec 31, 2024 Ethylbenzene MR No Yes — 0.7 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Toluene MR No Yes — 1 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Trichloroethylene MR No Yes — 0.005 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Benzene MR No Yes — 0.005 mg/L — Archived Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jun 9, 2025 Consumer Confidence Rule
Dec 1, 2023 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Jun 9, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2023 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Jun 9, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Mar 13, 2023 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Mar 13, 2023 Consumer Confidence Rule
Jan 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Dec 31, 2021 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Mar 14, 2022 Consumer Confidence Rule
Jan 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Mar 14, 2022 Consumer Confidence Rule
Jan 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Mar 14, 2022 Consumer Confidence Rule
Jan 1, 2021 Dec 31, 2021 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Dec 31, 2021 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Apr 10, 2020 Consumer Confidence Rule
Jan 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Apr 10, 2020 Consumer Confidence Rule
Jul 1, 2018 Jul 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2018 Revised Total Coliform Rule
Jul 1, 2018 Jul 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2018 Revised Total Coliform Rule
Jul 1, 2018 Jul 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2018 Revised Total Coliform Rule
May 1, 2018 May 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2018 Revised Total Coliform Rule
May 1, 2018 May 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2018 Revised Total Coliform Rule
May 1, 2018 May 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2018 Revised Total Coliform Rule
May 1, 2018 May 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2018 Revised Total Coliform Rule
Feb 1, 2018 Feb 28, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2018 Revised Total Coliform Rule
Feb 1, 2018 Feb 28, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2018 Revised Total Coliform Rule

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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