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CROTCHED MOUNTAIN SCHOOL

New Hampshire — Community Water System — PWSID: NH0972010

System Information

PWSIDNH0972010
System NameCROTCHED MOUNTAIN SCHOOL
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedMar 8, 1979
Last ReportedDec 15, 2025

Location & Contact

StateNew Hampshire
CityGREENFIELD
ZIP Code03047
Address1 VERNEY DR
OrganizationSEVEN HILLS NEW HAMPSHIRE
Phone—

Population & Service

Population Served300
Service Connections22

Drinking Water Violations (180)

This water system has 180 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
Jun 11, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 25, 2025 Revised Total Coliform Rule
Jun 11, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 25, 2025 Revised Total Coliform Rule
Jun 11, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 25, 2025 Revised Total Coliform Rule
Jun 11, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 25, 2025 Revised Total Coliform Rule
Jan 1, 2025 Mar 31, 2025 TTHM MCL Yes No .072 MG/L 0.080 mg/L — Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MCL Yes No .072 MG/L 0.080 mg/L — Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MCL Yes No .072 MG/L 0.080 mg/L — Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MCL Yes No .072 MG/L 0.080 mg/L — Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .113 MG/L 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .113 MG/L 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .113 MG/L 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .113 MG/L 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .073 MG/L 0.060 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .167 MG/L 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .167 MG/L 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .167 MG/L 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .073 MG/L 0.060 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .073 MG/L 0.060 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .167 MG/L 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MCL Yes No .073 MG/L 0.060 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 7, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 7, 2023 Consumer Confidence Rule
Apr 10, 2023 — Public Notice Other No No — — — Resolved Jun 5, 2023 Public Notice Rule and Revised PN Rule
Apr 10, 2023 — Public Notice Other No No — — — Resolved Jun 5, 2023 Public Notice Rule and Revised PN Rule
Jan 28, 2023 — Groundwater Rule TT Yes No — — — Resolved Apr 25, 2024 Ground Water Rule
Jan 28, 2023 — Groundwater Rule TT Yes No — — — Resolved Apr 25, 2024 Ground Water Rule
Jan 28, 2023 — Groundwater Rule TT Yes No — — — Resolved Apr 25, 2024 Ground Water Rule
Jan 28, 2023 — Groundwater Rule TT Yes No — — — Resolved Apr 25, 2024 Ground Water Rule
Jan 28, 2023 — Groundwater Rule TT Yes No — — — Resolved Apr 25, 2024 Ground Water Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 5, 2021 Lead and Copper Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 5, 2021 Lead and Copper Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 5, 2021 Lead and Copper Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 5, 2021 Lead and Copper Rule
Jun 21, 2017 — Lead and Copper Rule TT Yes No — TT — Resolved Aug 16, 2017 Lead and Copper Rule
Jun 21, 2017 — Lead and Copper Rule TT Yes No — TT — Resolved Aug 16, 2017 Lead and Copper Rule
Jun 21, 2017 — Lead and Copper Rule TT Yes No — TT — Resolved Aug 16, 2017 Lead and Copper Rule
Jun 21, 2017 — Lead and Copper Rule TT Yes No — TT — Resolved Aug 16, 2017 Lead and Copper Rule
Jul 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Aug 5, 2016 Consumer Confidence Rule
Jul 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Aug 5, 2016 Consumer Confidence Rule
Aug 31, 2014 — Public Notice Other No No — — — Resolved Sep 9, 2014 Public Notice Rule and Revised PN Rule
Jul 1, 2014 Oct 1, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 1, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Oct 1, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 1, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Oct 1, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 1, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Oct 1, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 1, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Oct 1, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 1, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Oct 1, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 1, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Oct 1, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 1, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jul 1, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Jul 1, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jul 1, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Jul 1, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jul 1, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Jul 1, 2014 Stage 1 Disinfectants and Disinfection Byproducts 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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