HOLUM WATER SYSTEM
PWSID: LA1021007 · Grayson, LA · Serves 1,230 people
According to EPA Safe Drinking Water Information System (SDWIS), HOLUM WATER SYSTEM (PWSID LA1021007) in Grayson, LA is listed as a CWS water system covering about 1,230 people. The same extract lists 102 health-based violation records spanning 2012-2025. Those 102 health-based rows for HOLUM WATER SYSTEM cover contaminants such as TTHM, Groundwater Rule, Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
HOLUM WATER SYSTEM has 102 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. 5 distinct EPA contaminant codes appear in this system's record, including TTHM, Groundwater Rule, Revised Total Coliform Rule. Recorded violations span 2012–2025. 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)
- LA1021007
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Grayson, LA
- Population Served
- 1,230
- Health Violations
- Yes (102)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 94 | 94 |
| Groundwater Rule | 3 | 3 |
| Revised Total Coliform Rule | 2 | 2 |
| Total Haloacetic Acids (HAA5) | 2 | 2 |
| Coliform (TCR) | 1 | 1 |
Violation History (102)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| 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 | 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 | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| Revised Total Coliform Rule | Yes | Sep 15, 2022 |
| Revised Total Coliform Rule | Yes | Sep 15, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| Groundwater Rule | Yes | Nov 3, 2021 |
| Groundwater Rule | Yes | Nov 3, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
| TTHM | 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 | 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 | Oct 1, 2016 |
| TTHM | Yes | Oct 1, 2016 |
| TTHM | Yes | Oct 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
Frequently Asked Questions
What does EPA SDWIS list for HOLUM WATER SYSTEM?
How many people does HOLUM WATER SYSTEM serve?
What violations does HOLUM WATER SYSTEM have?
What contaminants have been found in HOLUM WATER SYSTEM water?
Compare beyond Louisiana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest HOLUM WATER SYSTEM on cumulative violation count (102) and EPA-reported population served (1,230). Violation-count peers include CITY OF STRAWN, CITY OF JACKSON, ALTUS. Population peers include ANAMOSA STATE PENITENTIARY, WARRENSBURG, SOUTH LOWNDES W/A.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
Explore More
About This Data
HOLUM WATER SYSTEM (LA1021007) is drawn from EPA SDWIS. Nearby county systems in this extract include HEBERT WATER SYSTEM; EAST COLUMBIA WATER SYSTEM; COLUMBIA HEIGHTS WATER DISTRICT; VILLAGE OF GRAYSON WATER SYSTEM. Health-based rows (102 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.