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 Safety Ratings 11,700+ NHTSA crash test ratings Investigations 5,300+ NHTSA defect investigations 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 Brand History Cross-category recall lookup by company
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

ST MARYS WATER SYSTEM

Louisiana — Community Water System — PWSID: LA1015023

System Information

PWSIDLA1015023
System NameST MARYS WATER SYSTEM
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region06
Serves SchoolNo
WholesalerNo
First ReportedDec 2, 1981
Last ReportedNov 14, 2025

Location & Contact

StateLouisiana
CityPLAIN DEALING
ZIP Code71064
AddressST. MARY'S COMMUNITY WATER SYSTEM
OrganizationHAYS, DENNIS
Phone318-326-5808

Population & Service

Population Served294
Service Connections98

Drinking Water Violations (220)

This water system has 220 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
Apr 29, 2025 — Public Notice Other No No — — — Resolved Aug 26, 2025 Public Notice Rule and Revised PN Rule
Jan 1, 2025 Mar 31, 2025 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 20, 2024 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
May 4, 2023 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Apr 21, 2023 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Mar 23, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Mar 23, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Mar 23, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Mar 23, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Mar 23, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Mar 23, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Mar 23, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Mar 23, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Mar 23, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Mar 23, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Mar 23, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Mar 23, 2023 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Mar 14, 2023 — Revised Total Coliform Rule TT Yes No — — — Unaddressed — Revised Total Coliform Rule
Mar 14, 2023 — Revised Total Coliform Rule TT Yes No — — — Unaddressed — Revised Total Coliform Rule
Apr 5, 2022 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Mar 1, 2021 — Groundwater Rule TT Yes No — — — Resolved Apr 9, 2021 Ground Water Rule
Mar 1, 2021 — Groundwater Rule TT Yes No — — — Resolved Apr 9, 2021 Ground Water Rule
Mar 1, 2021 — Groundwater Rule TT Yes No — — — Resolved Apr 9, 2021 Ground Water Rule
Mar 1, 2021 — Groundwater Rule TT Yes No — — — Resolved Apr 9, 2021 Ground Water Rule
Mar 1, 2021 — Groundwater Rule TT Yes No — — — Resolved Apr 9, 2021 Ground Water Rule
Oct 1, 2019 Dec 31, 2019 TTHM MCL Yes No .082 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 .082 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 .082 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 .082 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 .082 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 .082 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 .082 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 .082 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 .082 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 .082 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 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 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 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 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 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 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 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 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 TTHM MCL Yes No .086 MG/L 0.080 mg/L .08 Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts 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 Louisiana