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NORTH COLLIN SUD

Texas — Community Water System — PWSID: TX0430055

System Information

PWSIDTX0430055
System NameNORTH COLLIN SUD
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerYes
First ReportedMar 14, 1980
Last ReportedJan 6, 2026

Location & Contact

StateTexas
CityMELISSA
ZIP Code75454-0343
AddressPO BOX 343
OrganizationMONSON, DUKE
Phone972-837-2331

Population & Service

Population Served10,674
Service Connections3,558

Drinking Water Violations (29)

This water system has 29 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 21, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
May 24, 2025 — Revised Total Coliform Rule TT Yes No — — — Unaddressed — Revised Total Coliform Rule
May 24, 2025 — Revised Total Coliform Rule TT Yes No — — — Unaddressed — Revised Total Coliform Rule
Apr 1, 2018 Jun 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2018 Jun 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2018 Jun 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2018 Jun 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Sep 20, 2017 Lead and Copper Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Sep 20, 2017 Lead and Copper Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Sep 20, 2017 Lead and Copper Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Sep 20, 2017 Lead and Copper Rule
Jul 8, 2015 — Public Notice Other No No — — — Resolved Jun 5, 2018 Public Notice Rule and Revised PN Rule
Jul 8, 2015 — Public Notice Other No No — — — Resolved Jun 5, 2018 Public Notice Rule and Revised PN Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Oct 20, 2015 Consumer Confidence Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Oct 20, 2015 Consumer Confidence Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2013 — Lead and Copper Rule MR No No — TT — Resolved Sep 28, 2021 Lead and Copper Rule
Dec 30, 2013 — Lead and Copper Rule MR No No — TT — Resolved Sep 28, 2021 Lead and Copper Rule
Jul 1, 2010 Sep 30, 2010 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2008 Dec 31, 2008 Chlorine MR No No — 4.0 mg/L — Resolved Dec 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2008 Dec 31, 2008 Chlorine MR No No — 4.0 mg/L — Resolved Dec 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2008 Dec 31, 2008 Chlorine MR No No — 4.0 mg/L — Resolved Dec 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2008 Dec 31, 2008 Chlorine MR No No — 4.0 mg/L — Resolved Dec 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 24, 2008 — Public Notice Other No No — — — Resolved Jan 31, 2008 Public Notice Rule and Revised PN Rule
— — — No No — — — — — —
— — — No No — — — — — —

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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