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SEA LION CAVES

Oregon — Transient Non-Community — PWSID: OR4191859

System Information

PWSIDOR4191859
System NameSEA LION CAVES
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 10, 1980
Last ReportedDec 23, 2025

Location & Contact

StateOregon
CityFLORENCE
ZIP Code97439
Address91560 HWY 101
OrganizationSEA LION CAVES
Phone541-547-3111

Population & Service

Population Served350
Service Connections1

Drinking Water Violations (35)

This water system has 35 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 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Oct 1, 2023 Dec 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Jul 1, 2022 Sep 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2022 Revised Total Coliform Rule
Oct 1, 2019 Dec 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2019 Revised Total Coliform Rule
Jul 1, 2019 Sep 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2019 Revised Total Coliform Rule
Oct 1, 2015 Dec 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2015 Total Coliform Rule
May 1, 1996 May 31, 1996 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 1996 Total Coliform Rule
Jan 1, 1996 Dec 31, 1996 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1996 Nitrate Rule
Jan 1, 1996 Mar 31, 1996 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 1996 Total Coliform Rule
Nov 1, 1995 Nov 30, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 1995 Total Coliform Rule
Aug 1, 1995 Aug 31, 1995 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 1995 Surface Water Treatment Rule
Aug 1, 1995 Aug 31, 1995 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 1995 Surface Water Treatment Rule
Jul 1, 1995 Jul 31, 1995 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 1995 Surface Water Treatment Rule
Jul 1, 1995 Jul 31, 1995 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 1995 Surface Water Treatment Rule
Jun 1, 1995 Jun 30, 1995 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 1995 Surface Water Treatment Rule
May 1, 1995 May 31, 1995 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 1995 Surface Water Treatment Rule
Apr 1, 1995 Apr 30, 1995 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 1995 Surface Water Treatment Rule
Apr 1, 1995 Apr 30, 1995 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 1995 Surface Water Treatment Rule
Mar 1, 1995 Mar 31, 1995 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 1995 Surface Water Treatment Rule
Mar 1, 1995 Mar 31, 1995 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 1995 Surface Water Treatment Rule
Feb 1, 1995 Feb 28, 1995 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 1995 Surface Water Treatment Rule
Jan 1, 1995 Jan 31, 1995 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 1995 Surface Water Treatment Rule
Dec 1, 1994 Dec 31, 1994 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 1994 Surface Water Treatment Rule
Dec 1, 1994 Dec 31, 1994 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 1994 Surface Water Treatment Rule
Nov 1, 1994 Nov 30, 1994 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 1994 Surface Water Treatment Rule
Nov 1, 1994 Nov 30, 1994 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 1994 Surface Water Treatment Rule
Oct 1, 1994 Oct 31, 1994 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 1994 Surface Water Treatment Rule
Sep 1, 1994 Sep 30, 1994 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 1994 Surface Water Treatment Rule
May 1, 1993 May 31, 1993 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 1993 Total Coliform Rule
Aug 1, 1992 Aug 31, 1992 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 1992 Total Coliform Rule
Nov 1, 1991 Jan 31, 1992 Coliform (TCR) MR No Yes — 5% of samples — Archived Jan 31, 1992 Total Coliform Rule
Nov 1, 1991 Nov 30, 1991 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 1991 Total Coliform Rule
Aug 1, 1991 Aug 31, 1991 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 1991 Total Coliform Rule
Feb 1, 1991 Feb 28, 1991 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 1991 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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