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DUEY

PR — Community Water System — PWSID: PR0004234

System Information

PWSIDPR0004234
System NameDUEY
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region02
Serves SchoolNo
WholesalerNo
First ReportedMar 1, 1980
Last ReportedDec 23, 2025

Location & Contact

StatePR
CityYAUCO
ZIP Code00698
AddressCARR. 372 KM.1.5
OrganizationDUEY
Phone787-620-2277

Population & Service

Population Served2,368
Service Connections887

Drinking Water Violations (190)

This water system has 190 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, 2025 — Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 2025 Long Term 2 Enhanced Surface Water Treatment Rule
Sep 1, 2024 — Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2024 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2024 — Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2024 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 9, 2024 — Public Notice Other No No — — — Resolved Jun 20, 2024 Public Notice Rule and Revised PN Rule
Feb 1, 2024 — Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2024 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Jul 11, 2022 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Aug 10, 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 Jun 30, 2018 Total Haloacetic Acids (HAA5) MCL Yes No .086 MG/L 0.060 mg/L .06 Resolved Jun 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2018 Jun 30, 2018 Total Haloacetic Acids (HAA5) MCL Yes No .086 MG/L 0.060 mg/L .06 Resolved Jun 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2018 Feb 28, 2018 E. COLI MR No No — — — Resolved Feb 28, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2018 Feb 28, 2018 E. COLI MR No No — — — Resolved Feb 28, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Jan 1, 2018 Jan 31, 2018 E. COLI MR No No — — — Resolved Jan 31, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Jan 1, 2018 Jan 31, 2018 E. COLI MR No No — — — Resolved Jan 31, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Jan 1, 2018 Mar 31, 2018 Total Haloacetic Acids (HAA5) MCL Yes No .076 MG/L 0.060 mg/L .06 Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Total Haloacetic Acids (HAA5) MCL Yes No .076 MG/L 0.060 mg/L .06 Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 2, 2016 — Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2024 Long Term 2 Enhanced Surface Water Treatment Rule
Oct 2, 2016 — Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2024 Long Term 2 Enhanced Surface Water Treatment Rule
Apr 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2019 Lead and Copper Rule
Apr 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2019 Lead and Copper Rule
Apr 1, 2016 Apr 30, 2016 Surface Water Treatment Rule MR No No — — — Archived Apr 30, 2016 Surface Water Treatment Rule
Apr 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2019 Lead and Copper Rule
Mar 1, 2016 Mar 31, 2016 Surface Water Treatment Rule MR No No — — — Archived Mar 31, 2016 Surface Water Treatment Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2019 Lead and Copper Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2019 Lead and Copper Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2019 Lead and Copper Rule
Apr 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2019 Lead and Copper Rule
Apr 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2019 Lead and Copper Rule
Apr 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2019 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2019 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2019 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2019 Lead and Copper Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Aug 20, 2014 Consumer Confidence Rule
Jan 1, 2014 Mar 31, 2014 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 2,4-D MR No Yes — 0.07 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 LASSO MR No Yes — — — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 2,4-D MR No Yes — 0.07 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Chlordane MR No Yes — 0.002 mg/L — Resolved Mar 31, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Mar 31, 2014 Chlordane MR No Yes — 0.002 mg/L — Resolved Mar 31, 2014 Synthetic 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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