JOYCE WATER SUPPLY
PWSID: LA1127008 · Mandeville, LA · Serves 474 people
According to EPA Safe Drinking Water Information System (SDWIS), JOYCE WATER SUPPLY (PWSID LA1127008) in Mandeville, LA is listed as a CWS water system covering about 474 people. The same extract lists 70 health-based violation records spanning 1998-2025. Those 70 health-based rows for JOYCE WATER SUPPLY cover contaminants such as TTHM, Total Haloacetic Acids (HAA5), Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
JOYCE WATER SUPPLY has 70 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 4 distinct EPA contaminant codes appear in this system's record, including TTHM, Total Haloacetic Acids (HAA5), Groundwater Rule. Recorded violations span 1998–2025. Day-to-day primacy enforcement for this system runs through the Louisiana drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Louisiana state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- LA1127008
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Mandeville, LA
- Population Served
- 474
- Health Violations
- Yes (70)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 52 | 52 |
| Total Haloacetic Acids (HAA5) | 14 | 14 |
| Groundwater Rule | 3 | 3 |
| Coliform (TCR) | 1 | 1 |
Violation History (70)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| Groundwater Rule | Yes | Jan 1, 2020 |
| Groundwater Rule | Yes | Jan 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Oct 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| TTHM | Yes | Oct 1, 2017 |
| TTHM | Yes | Oct 1, 2017 |
| TTHM | Yes | Jul 1, 2017 |
| TTHM | Yes | Jul 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
| TTHM | Yes | Oct 1, 2016 |
| TTHM | Yes | Oct 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| TTHM | Yes | Apr 1, 2016 |
| TTHM | Yes | Apr 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| TTHM | Yes | Oct 1, 2015 |
| TTHM | Yes | Oct 1, 2015 |
| Groundwater Rule | Yes | May 9, 2012 |
| Coliform (TCR) | Yes | Oct 1, 1998 |
Frequently Asked Questions
What does EPA SDWIS list for JOYCE WATER SUPPLY?
How many people does JOYCE WATER SUPPLY serve?
What violations does JOYCE WATER SUPPLY have?
What contaminants have been found in JOYCE WATER SUPPLY water?
Compare beyond Louisiana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest JOYCE WATER SUPPLY on cumulative violation count (70) and EPA-reported population served (474). Violation-count peers include HAMLER VILLAGE, CITY OF HUNTINGTON, RIDGECREST WATER SYSTEM.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
Explore More
About This Data
JOYCE WATER SUPPLY (LA1127008) is drawn from EPA SDWIS. Nearby county systems in this extract include ST TAM PARISH- BEDICO -FAUBOURG-COQUILLE; ST TAM PARISH - BRIARWOOD TERRACE; CITY OF MANDEVILLE WATER SUPPLY; UTILITIES INC - NORTH PARK WATER SUPPLY. Health-based rows (70 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.