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Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

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Bridge Safety624,000 bridge inspections Aviation Safety30,000+ NTSB aviation events Dam Safety92,600 dam safety records Water Safety433,000+ public water systems Railroad Safety438,000+ rail crossings Pipeline Safety8,800+ pipeline incidents State DashboardsSafety grades for all 50 states ZIP ReportAny 5-digit ZIP across 9 datasets

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GUNSTON DAY SCHOOL

Maryland — Non-Transient Non-Community — PWSID: MD0170201

System Information

PWSIDMD0170201
System NameGUNSTON DAY SCHOOL
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region03
Serves SchoolYes
WholesalerNo
First ReportedJan 21, 1982
Last ReportedFeb 26, 2026

Location & Contact

StateMaryland
CityCENTREVILLE
ZIP Code21617
Address911 Gunston Road
OrganizationHARDESTY, MIKE
Phone410-699-1940

Population & Service

Population Served150
Service Connections1

Drinking Water Violations (15)

This water system has 15 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
Oct 17, 2024 — TT Yes No — — — Resolved Dec 20, 2024 —
Oct 17, 2024 — RPT No No — — — Resolved Dec 20, 2024 —
Jul 1, 2009 Sep 30, 2009 MR No No — 5% of samples — Resolved Sep 30, 2009 —
Jul 1, 2009 Sep 30, 2009 MR No No — 5% of samples — Resolved Sep 30, 2009 —
Jul 1, 2009 Sep 30, 2009 MR No No — 5% of samples — Resolved Sep 30, 2009 —
Nov 1, 2004 Nov 30, 2004 MCL Yes No — 5% of samples — Resolved Nov 30, 2004 —
Nov 1, 2004 Nov 30, 2004 MCL Yes No — 5% of samples — Resolved Nov 30, 2004 —
Nov 1, 2004 Nov 30, 2004 MCL Yes No — 5% of samples — Resolved Nov 30, 2004 —
Nov 1, 2004 Nov 30, 2004 MCL Yes No — 5% of samples — Resolved Nov 30, 2004 —
May 1, 2003 May 31, 2003 MCL Yes No — 5% of samples — Resolved May 31, 2003 —
May 1, 2003 May 31, 2003 MCL Yes No — 5% of samples — Resolved May 31, 2003 —
May 1, 2003 May 31, 2003 MCL Yes No — 5% of samples — Resolved May 31, 2003 —
May 1, 2003 May 31, 2003 MCL Yes No — 5% of samples — Resolved May 31, 2003 —
Jan 1, 1996 Nov 20, 1997 MR No No — TT — Resolved Nov 20, 1997 —
Jan 1, 1996 Nov 20, 1997 MR No No — TT — Resolved Nov 20, 1997 —

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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