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FARALLON

PR — Community Water System — PWSID: PR0004925

System Information

PWSIDPR0004925
System NameFARALLON
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region02
Serves SchoolNo
WholesalerNo
First ReportedMay 24, 2001
Last ReportedDec 23, 2025

Location & Contact

StatePR
CityCAYEY
ZIP Code00736
AddressCARR.742 INT. BO.FARALLON
OrganizationFARALLON
Phone787-738-6141

Population & Service

Population Served38,977
Service Connections14,598

Drinking Water Violations (388)

This water system has 388 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, 2023 Jan 31, 2023 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2023 Jan 31, 2023 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2023 Jan 31, 2023 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2023 Jan 31, 2023 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2022 Nov 30, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2022 Nov 30, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2022 Oct 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2022 Oct 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2022 Oct 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2022 Oct 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2022 Sep 30, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2022 Sep 30, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2021 Aug 31, 2021 Revised Total Coliform Rule MON No No — — — Resolved Aug 31, 2021 Revised Total Coliform Rule
Aug 1, 2021 Aug 31, 2021 Revised Total Coliform Rule MON No No — — — Resolved Aug 31, 2021 Revised Total Coliform Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Jul 29, 2020 Consumer Confidence Rule
Oct 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Aug 13, 2019 Consumer Confidence Rule
Oct 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Aug 13, 2019 Consumer Confidence Rule
Apr 1, 2018 Apr 30, 2018 E. COLI MR No No — — — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Apr 30, 2018 Turbidity MR No No — TT — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Apr 30, 2018 Cryptosporidium MR No No — — — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Apr 30, 2018 Turbidity MR No No — TT — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Apr 30, 2018 E. COLI MR No No — — — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Apr 30, 2018 Cryptosporidium MR No No — — — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2017 Jul 31, 2017 Cryptosporidium MR No Yes — — — Resolved Jul 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2017 Jul 31, 2017 E. COLI MR No Yes — — — Resolved Jul 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2017 Jul 31, 2017 E. COLI MR No Yes — — — Resolved Jul 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2017 Jul 31, 2017 Cryptosporidium MR No Yes — — — Resolved Jul 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2017 Jul 31, 2017 Turbidity MR No Yes — TT — Resolved Jul 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2017 Jul 31, 2017 Turbidity MR No Yes — TT — Resolved Jul 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2017 May 31, 2017 E. COLI MR No No — — — Resolved May 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2017 May 31, 2017 Cryptosporidium MR No No — — — Resolved May 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2017 May 31, 2017 E. COLI MR No No — — — Resolved May 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2017 May 31, 2017 Cryptosporidium MR No No — — — Resolved May 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2017 May 31, 2017 Turbidity MR No No — TT — Resolved May 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2017 May 31, 2017 Turbidity MR No No — TT — Resolved May 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2017 Feb 28, 2017 Cryptosporidium MR No Yes — — — Resolved Feb 28, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2017 Feb 28, 2017 E. COLI MR No Yes — — — Resolved Feb 28, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2017 Feb 28, 2017 Turbidity MR No Yes — TT — Resolved Feb 28, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2017 Feb 28, 2017 E. COLI MR No Yes — — — Resolved Feb 28, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2017 Feb 28, 2017 Cryptosporidium MR No Yes — — — Resolved Feb 28, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2017 Feb 28, 2017 Turbidity MR No Yes — TT — Resolved Feb 28, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Jan 1, 2017 Mar 31, 2017 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals

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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