Total trihalomethanes (TTHM) above the legal limit in the period starting January 2026; 1 open health-based violation on EPA record.
Serves about 1,761 people (587 connections) with groundwater from its own wells, and buys water from Town of Zwolle Water System.
From EPA's record for LA1085043. PurityMap is independent of Ebarb WWKS Dist #1.
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58 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) | 0.143 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2026 | Haloacetic acids (HAA5) | 0.078 mg/L | 0.060 mg/L | Archived |
| Oct–Dec 2025 | Total trihalomethanes (TTHM) | 0.131 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2025 | Haloacetic acids (HAA5) | 0.076 mg/L | 0.060 mg/L | Archived |
| Jul–Sep 2025 | Total trihalomethanes (TTHM) | 0.131 mg/L | 0.080 mg/L | Archived |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jul–Sep 2025 | Haloacetic acids (HAA5) | 0.072 mg/L | 0.060 mg/L | Archived |
| Apr–Jun 2025 | Total trihalomethanes (TTHM) | 0.138 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2025 | Haloacetic acids (HAA5) | 0.064 mg/L | 0.060 mg/L | Archived |
| Jan–Mar 2025 | Total trihalomethanes (TTHM) | 0.135 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2025 | Haloacetic acids (HAA5) | 0.068 mg/L | 0.060 mg/L | Archived |
| Oct–Dec 2024 | Total trihalomethanes (TTHM) | 0.142 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2024 | Haloacetic acids (HAA5) | 0.068 mg/L | 0.060 mg/L | Archived |
| Jul–Sep 2024 | Total trihalomethanes (TTHM) | 0.139 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2024 | Haloacetic acids (HAA5) | 0.065 mg/L | 0.060 mg/L | Archived |
| Apr–Jun 2024 | Total trihalomethanes (TTHM) | 0.134 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2024 | Haloacetic acids (HAA5) | 0.064 mg/L | 0.060 mg/L | Archived |
| Jan–Mar 2024 | Total trihalomethanes (TTHM) | 0.134 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2024 | Haloacetic acids (HAA5) | 0.068 mg/L | 0.060 mg/L | Archived |
| Oct–Dec 2023 | Total trihalomethanes (TTHM) | 0.136 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2023 | Haloacetic acids (HAA5) | 0.068 mg/L | 0.060 mg/L | Archived |
| From August 2023 | Groundwater Rule | – | – | Unaddressed |
| Jul–Sep 2023 | Total trihalomethanes (TTHM) | 0.138 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2023 | Haloacetic acids (HAA5) | 0.072 mg/L | 0.060 mg/L | Archived |
| Apr–Jun 2023 | Total trihalomethanes (TTHM) | 0.142 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2023 | Haloacetic acids (HAA5) | 0.072 mg/L | 0.060 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 →Ebarb WWKS Dist #1's phone number on EPA record is 318-645-7722. Its mailing address is EBARB WATER DISTRICT #1, P.O. BOX 1366, ZWOLLE, LA 71486.
According to EPA's record, Ebarb WWKS Dist #1 uses groundwater from its own wells, and buys water from Town of Zwolle Water System.
EPA's record shows 58 health-based violations for Ebarb WWKS Dist #1 in the 10 years to July 9, 2026. Total trihalomethanes (TTHM) were above the legal limit in the period starting January 2026. EPA's record also shows 1 open health-based violation. EPA also lists 10 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Ebarb WWKS Dist #1's latest lead and copper round, which ended in December 2023. The federal action level is 15 µg/L.
PurityMap has no verified website for Ebarb WWKS Dist #1. Its phone number on EPA record is 318-645-7722. Its mailing address on EPA record is EBARB WATER DISTRICT #1, P.O. BOX 1366, ZWOLLE, LA 71486. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.