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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

Infrastructure

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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TINIUS OLSEN TESTING MACH. CO.

Pennsylvania - Non-Transient Non-Community - PWSID: PA1460848

System Information

PWSIDPA1460848
System NameTINIUS OLSEN TESTING MACH. CO.
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusInactive
Owner TypePrivate
EPA Region03
Serves SchoolNo
WholesalerNo
First ReportedJan 21, 1981
Last ReportedMar 30, 2026

Location & Contact

StatePennsylvania
CityWILLOW GROVE
ZIP Code19090
AddressP.O. BOX 429
Organization-
Phone215-675-7100

Population & Service

Population Served130
Service Connections1

Drinking Water Violations (9)

This water system has 9 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, 1994 Dec 31, 1994 MR No Yes - 1 mg/L - Resolved Dec 31, 1994 -
Jan 1, 1994 Dec 31, 1994 MR No Yes - 1 mg/L - Resolved Dec 31, 1994 -
Jan 1, 1994 Dec 31, 1994 MR No Yes - 1 mg/L - Resolved Dec 31, 1994 -
Jan 1, 1994 Dec 31, 1994 MR No Yes - 1 mg/L - Resolved Dec 31, 1994 -
Jan 1, 1994 Dec 31, 1994 MR No Yes - 10 mg/L - Resolved Dec 31, 1994 -
Jan 1, 1994 Dec 31, 1994 MR No Yes - 10 mg/L - Resolved Dec 31, 1994 -
Jan 1, 1994 Dec 31, 1994 MR No Yes - 10 mg/L - Resolved Dec 31, 1994 -
Jan 1, 1994 Dec 31, 1994 MR No Yes - 10 mg/L - Resolved Dec 31, 1994 -
Dec 24, 1983 Dec 23, 1986 MR No Yes - 10 mg/L - Archived Dec 23, 1986 -

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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