Total trihalomethanes (TTHM) above the legal limit in the period starting January 2026.
Serves about 1,260 people (420 connections) with groundwater from its own wells.
From EPA's record for LA1085044. PurityMap is independent of Union Springs Water System.
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39 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2026 | Total trihalomethanes (TTHM) | 0.183 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2025 | Total trihalomethanes (TTHM) | 0.179 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2025 | Total trihalomethanes (TTHM) | 0.163 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2025 | Total trihalomethanes (TTHM) | 0.16 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2025 | Total trihalomethanes (TTHM) | 0.14 mg/L | 0.080 mg/L | Archived |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Oct–Dec 2024 | Total trihalomethanes (TTHM) | 0.141 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2024 | Total trihalomethanes (TTHM) | 0.138 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2024 | Total trihalomethanes (TTHM) | 0.136 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2024 | Total trihalomethanes (TTHM) | 0.161 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2023 | Total trihalomethanes (TTHM) | 0.136 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2023 | Total trihalomethanes (TTHM) | 0.118 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2023 | Total trihalomethanes (TTHM) | 0.089 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2023 | Total trihalomethanes (TTHM) | 0.083 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2022 | Total trihalomethanes (TTHM) | 0.082 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2022 | Total trihalomethanes (TTHM) | 0.1 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2022 | Total trihalomethanes (TTHM) | 0.093 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2022 | Total trihalomethanes (TTHM) | 0.091 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2021 | Total trihalomethanes (TTHM) | 0.088 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2021 | Total trihalomethanes (TTHM) | 0.086 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2021 | Total trihalomethanes (TTHM) | 0.087 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2021 | Total trihalomethanes (TTHM) | 0.127 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2020 | Total trihalomethanes (TTHM) | 0.139 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2020 | Total trihalomethanes (TTHM) | 0.133 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2020 | Total trihalomethanes (TTHM) | 0.163 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2020 | Total trihalomethanes (TTHM) | 0.123 mg/L | 0.080 mg/L | Archived |
No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
Get PurityMap updates about this water system.
Follow this water →Union Springs Water System's phone number on EPA record is 318-272-1014. Its mailing address is Union Springs Water System, P.O. Box 128, CONVERSE, LA 71419.
According to EPA's record, Union Springs Water System uses groundwater from its own wells.
EPA's record shows 39 health-based violations for Union Springs Water System in the 10 years to July 9, 2026. Total trihalomethanes (TTHM) were above the legal limit in the period starting January 2026. EPA also lists 10 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Union Springs Water System's latest lead and copper round, which ended in December 2025, was 2.6 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Union Springs Water System. Its phone number on EPA record is 318-272-1014. Its mailing address on EPA record is Union Springs Water System, P.O. Box 128, CONVERSE, LA 71419. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.