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CSP-FORT ROSS STATE PARK

California — Transient Non-Community — PWSID: CA4910309

System Information

PWSIDCA4910309
System NameCSP-FORT ROSS STATE PARK
System TypeTransient Non-Community
Water SourceGround Water Under Influence
Activity StatusActive
Owner TypeState
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CityMENDOCINO
ZIP Code95460
Address12301 N. Hwy 1
OrganizationROWAN, MONTE
Phone707-732-8602

Population & Service

Population Served3,501
Service Connections28

Drinking Water Violations (16)

This water system has 16 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, 2021 Jan 31, 2021 Revised Total Coliform Rule MON No Yes — — — Archived Jan 31, 2021 Revised Total Coliform Rule
Jul 1, 2018 Sep 30, 2018 Arsenic MCL Yes No .016475 MG/L 0.010 mg/L .01 Resolved Sep 30, 2018 Arsenic Rule
Jul 1, 2018 Sep 30, 2018 Arsenic MCL Yes No .016475 MG/L 0.010 mg/L .01 Resolved Sep 30, 2018 Arsenic Rule
Apr 1, 2018 Jun 30, 2018 Arsenic MCL Yes No .017 MG/L 0.010 mg/L .01 Resolved Jun 30, 2018 Arsenic Rule
Apr 1, 2018 Jun 30, 2018 Arsenic MCL Yes No .017 MG/L 0.010 mg/L .01 Resolved Jun 30, 2018 Arsenic Rule
Jan 1, 2018 Mar 31, 2018 Arsenic MCL Yes No .0164 MG/L 0.010 mg/L .01 Resolved Mar 31, 2018 Arsenic Rule
Jan 1, 2018 Mar 31, 2018 Arsenic MCL Yes No .0164 MG/L 0.010 mg/L .01 Resolved Mar 31, 2018 Arsenic Rule
Oct 1, 2017 Dec 31, 2017 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Resolved Dec 31, 2017 Arsenic Rule
Oct 1, 2017 Dec 31, 2017 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Resolved Dec 31, 2017 Arsenic Rule
Jul 1, 2017 Sep 30, 2017 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Resolved Sep 30, 2017 Arsenic Rule
Jul 1, 2017 Sep 30, 2017 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Resolved Sep 30, 2017 Arsenic Rule
Apr 1, 2017 Jun 30, 2017 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Jun 30, 2017 Arsenic Rule
Sep 1, 1995 Sep 30, 1995 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 1995 Surface Water Treatment Rule
Sep 1, 1995 Sep 30, 1995 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 1995 Surface Water Treatment Rule
Jun 1, 1993 Jun 30, 1993 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 1993 Surface Water Treatment Rule
Jun 1, 1993 Jun 30, 1993 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 1993 Surface Water Treatment 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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