Drinking Water Compliance OS

DES PERES, LA · Lafayette Parish County

MAGNOLIA-TREWHILL Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Louisiana’s official records. Always confirm current status with Louisiana before making decisions based on this information.

System facts

System ID (PWSID)
LA1055148
System type
Community Water System
Population served
207
Service connections
69
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    September 1, 2013 – November 30, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    June 1, 2013 – August 31, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    March 1, 2013 – May 31, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    September 1, 2012 – November 30, 2012

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    February 29, 2012 – May 31, 2012

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

FARRAR, DAVID

314-464-4790

DES PERES, MO 63131