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YAUCO

PR — Community Water System — PWSID: PR0004314

System Information

PWSIDPR0004314
System NameYAUCO
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. 128 KM.2.6
OrganizationYAUCO
Phone787-620-2277

Population & Service

Population Served35,618
Service Connections13,340

Drinking Water Violations (285)

This water system has 285 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
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Aug 10, 2020 Consumer Confidence Rule
Apr 1, 2020 Jun 30, 2020 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Jun 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Jun 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 TTHM MCL Yes No .095 MG/L 0.080 mg/L .08 Resolved Mar 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 TTHM MCL Yes No .095 MG/L 0.080 mg/L .08 Resolved Mar 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 10, 2019 — Public Notice Other No No — — — Resolved Jan 3, 2020 Public Notice Rule and Revised PN Rule
Oct 10, 2019 — Public Notice Other No No — — — Resolved Jan 3, 2020 Public Notice Rule and Revised PN Rule
Oct 10, 2019 — Public Notice Other No No — — — Resolved Jan 3, 2020 Public Notice Rule and Revised PN Rule
Oct 1, 2019 Dec 31, 2019 TTHM MCL Yes No .093 MG/L 0.080 mg/L .08 Resolved Dec 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Dec 31, 2019 TTHM MCL Yes No .093 MG/L 0.080 mg/L .08 Resolved Dec 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Dec 31, 2019 TTHM MCL Yes No .093 MG/L 0.080 mg/L .08 Resolved Dec 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2019 Aug 31, 2019 Turbidity MR No No — TT — Resolved Aug 31, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2019 Aug 31, 2019 Cryptosporidium MR No No — — — Resolved Aug 31, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2019 Aug 31, 2019 E. COLI MR No No — — — Resolved Aug 31, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2019 Aug 31, 2019 E. COLI MR No No — — — Resolved Aug 31, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2019 Aug 31, 2019 Cryptosporidium MR No No — — — Resolved Aug 31, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2019 Aug 31, 2019 E. COLI MR No No — — — Resolved Aug 31, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2019 Aug 31, 2019 Turbidity MR No No — TT — Resolved Aug 31, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2019 Aug 31, 2019 Cryptosporidium MR No No — — — Resolved Aug 31, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2019 Aug 31, 2019 Turbidity MR No No — TT — Resolved Aug 31, 2019 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2019 Sep 30, 2019 TTHM MCL Yes No .094 MG/L 0.080 mg/L .08 Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 TTHM MCL Yes No .094 MG/L 0.080 mg/L .08 Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 TTHM MCL Yes No .094 MG/L 0.080 mg/L .08 Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 TTHM MCL Yes No .085 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 .085 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 .085 MG/L 0.080 mg/L .08 Resolved Jun 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Chlordane MR No Yes — 0.002 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Endrin MR No Yes — 0.002 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Endrin MR No Yes — 0.002 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 LASSO MR No Yes — — — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Jan 31, 2019 Glyphosate MR No Yes — 0.7 mg/L — Resolved Jan 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 LASSO MR No Yes — — — Resolved Mar 31, 2019 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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