HAMMOND, LA · Tangipahoa Parish County
HIGH HAT SUBDIVISION Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of February 1, 2006. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Tangipahoa Parish County, LA.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- LA1105032
- System type
- Community Water System
- Population served
- 160
- Service connections
- 40
- Ownership
- privately owned
- Water source
- groundwater (wells)
HIGH HAT SUBDIVISION is one of 1,402 community water systems in Louisiana in the 500 or fewer people size category, formerly serving 160 people from groundwater.
EPA's federal records list this system as inactive in 2006; the record below is historical.
As of August 1, 2026, its federal record holds 1 entry in 2000, all of which EPA lists as closed. Nothing has been added since 2000.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2000 – October 31, 2000
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2000 – October 31, 2000 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 18, 2007State Compliance achieved61 linked violations
- July 8, 2005State Administrative/Compliance Order without penalty issued6 linked violations
- June 30, 1995State Compliance achieved1 linked violation
- December 31, 1994State Compliance achieved6 linked violations
Last known contact on file (system is inactive)
MAYEAUX, BRIAN
985-549-0039
HAMMOND, LA 70401