VILLAGE OF CALVIN WATER SYSTEM
PWSID: LA1127002 · Calvin, LA · Serves 591 people
According to EPA Safe Drinking Water Information System (SDWIS), VILLAGE OF CALVIN WATER SYSTEM (PWSID LA1127002) in Calvin, LA is listed as a CWS water system covering about 591 people. The same extract lists 122 health-based violation records spanning 2015-2025. Those 122 health-based rows for VILLAGE OF CALVIN WATER SYSTEM cover contaminants such as TTHM, Total Haloacetic Acids (HAA5), Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
VILLAGE OF CALVIN WATER SYSTEM has 122 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, Total Haloacetic Acids (HAA5), Groundwater Rule. Recorded violations span 2015–2025. 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)
- LA1127002
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Calvin, LA
- Population Served
- 591
- Health Violations
- Yes (122)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 70 | 70 |
| Total Haloacetic Acids (HAA5) | 36 | 36 |
| Groundwater Rule | 14 | 14 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| Revised Total Coliform Rule | 1 | 1 |
Violation History (122)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Sep 10, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| Groundwater Rule | Yes | Apr 28, 2023 |
| Groundwater Rule | Yes | Apr 28, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| Groundwater Rule | Yes | May 24, 2021 |
| Groundwater Rule | Yes | May 24, 2021 |
| Groundwater Rule | Yes | May 24, 2021 |
| Groundwater Rule | Yes | May 24, 2021 |
| Groundwater Rule | Yes | May 24, 2021 |
| Groundwater Rule | Yes | May 24, 2021 |
| Groundwater Rule | Yes | May 24, 2021 |
| Groundwater Rule | Yes | May 24, 2021 |
| Groundwater Rule | Yes | May 24, 2021 |
| Groundwater Rule | Yes | May 24, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Apr 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 |
| TTHM | Yes | Jul 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2018 |
| 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 |
Frequently Asked Questions
What does EPA SDWIS list for VILLAGE OF CALVIN WATER SYSTEM?
How many people does VILLAGE OF CALVIN WATER SYSTEM serve?
What violations does VILLAGE OF CALVIN WATER SYSTEM have?
What contaminants have been found in VILLAGE OF CALVIN WATER SYSTEM water?
Compare beyond Louisiana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest VILLAGE OF CALVIN WATER SYSTEM on cumulative violation count (122) and EPA-reported population served (591). Violation-count peers include TUPPER LAKE V, TEMPLE, OLUSTEE PUBLIC WORKS AUTHORITY. Population peers include S & T MUTUAL WATER COMPANY, SOUTHWOOD ACRES PUMP DISTRICT, WORLEY CITY OF.
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
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About This Data
VILLAGE OF CALVIN WATER SYSTEM (LA1127002) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF WINNFIELD WATER SYSTEM; WEST GRANT WATER ASSOCIATION; WEST WINN WATER SYSTEM INC; TANNEHILL WATER SYSTEM. Health-based rows (122 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.