Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

LAGO GUAJATACA

PR — Community Water System — PWSID: PR0003772

System Information

PWSIDPR0003772
System NameLAGO GUAJATACA
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region02
Serves SchoolNo
WholesalerNo
First ReportedDec 28, 1992
Last ReportedDec 23, 2025

Location & Contact

StatePR
CityISABELA
ZIP Code00662
AddressCARR. 119 KM. 19.2
OrganizationLAGO GUAJATACA
Phone787-620-2277

Population & Service

Population Served11,187
Service Connections4,190

Drinking Water Violations (573)

This water system has 573 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
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Surface Water Treatment Rule
Sep 1, 2022 Sep 30, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2022 Surface Water Treatment Rule
Sep 1, 2022 Sep 30, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2022 Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Jul 31, 2020 Consumer Confidence Rule
Jan 1, 2020 Mar 31, 2020 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Mar 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 Total Haloacetic Acids (HAA5) MCL Yes No .062 MG/L 0.060 mg/L .06 Resolved Mar 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 Total Haloacetic Acids (HAA5) MCL Yes No .062 MG/L 0.060 mg/L .06 Resolved Mar 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Mar 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Dec 31, 2019 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Dec 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Dec 31, 2019 TTHM MCL Yes No .094 MG/L 0.080 mg/L .08 Resolved Dec 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Dec 31, 2019 Total Haloacetic Acids (HAA5) MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Dec 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Dec 31, 2019 TTHM MCL Yes No .094 MG/L 0.080 mg/L .08 Resolved Dec 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 TTHM MCL Yes No .086 MG/L 0.080 mg/L .08 Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 Total Haloacetic Acids (HAA5) MCL Yes No .068 MG/L 0.060 mg/L .06 Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 Total Haloacetic Acids (HAA5) MCL Yes No .068 MG/L 0.060 mg/L .06 Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 TTHM MCL Yes No .086 MG/L 0.080 mg/L .08 Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 Total Haloacetic Acids (HAA5) MCL Yes No .067 MG/L 0.060 mg/L .06 Resolved Jun 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Resolved Jun 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 TTHM MCL Yes No .089 MG/L 0.080 mg/L .08 Resolved Jun 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 Total Haloacetic Acids (HAA5) MCL Yes No .067 MG/L 0.060 mg/L .06 Resolved Jun 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Apr 30, 2019 Cryptosporidium MR No No — — — Resolved Apr 30, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2019 Apr 30, 2019 Turbidity MR No No — TT — Resolved Apr 30, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2019 Apr 30, 2019 Turbidity MR No No — TT — Resolved Apr 30, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2019 Apr 30, 2019 Turbidity MR No No — TT — Resolved Apr 30, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2019 Apr 30, 2019 E. COLI MR No No — — — Resolved Apr 30, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2019 Apr 30, 2019 Cryptosporidium MR No No — — — Resolved Apr 30, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2019 Apr 30, 2019 E. COLI MR No No — — — Resolved Apr 30, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2019 Apr 30, 2019 Cryptosporidium MR No No — — — Resolved Apr 30, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2019 Apr 30, 2019 E. COLI MR No No — — — Resolved Apr 30, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2019 Feb 28, 2019 Surface Water Treatment Rule MR No No — — — Archived Feb 28, 2019 Surface Water Treatment Rule
Jan 1, 2019 Jan 31, 2019 Surface Water Treatment Rule MR No No — — — Archived Jan 31, 2019 Surface Water Treatment Rule
Jan 1, 2019 Mar 31, 2019 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Aug 13, 2019 Consumer Confidence Rule
Oct 1, 2018 Dec 31, 2018 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
May 1, 2018 May 31, 2018 Surface Water Treatment Rule MR No Yes — — — Archived May 31, 2018 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 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 Cryptosporidium MR No No — — — Resolved Apr 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2018 Jun 30, 2018 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Jun 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts 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 Jun 30, 2018 TTHM MCL Yes No .09 MG/L 0.080 mg/L .08 Resolved Jun 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts 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 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

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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in PR