Total trihalomethanes (TTHM) above the legal limit in the period starting January 2026.
Serves about 1,557 people (519 connections) with groundwater from its own wells.
From EPA's record for LA1049004. PurityMap is independent of Village of Chatham Water System.
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38 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) | 0.088 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2025 | Total trihalomethanes (TTHM) | 0.088 mg/L | 0.080 mg/L | Archived |
| From February 2024 | Groundwater Rule | – | – | Resolved |
| From February 2024 | Groundwater Rule | – | – | Resolved |
| From February 2024 | Groundwater Rule | – | – | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From February 2024 | Groundwater Rule | – | – | Resolved |
| From February 2024 | Groundwater Rule | – | – | Resolved |
| From February 2024 | Groundwater Rule | – | – | Resolved |
| Oct–Dec 2021 | Total trihalomethanes (TTHM) | 0.086 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2021 | Total trihalomethanes (TTHM) | 0.136 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2021 | Total trihalomethanes (TTHM) | 0.171 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2021 | Haloacetic acids (HAA5) | 0.065 mg/L | 0.060 mg/L | Resolved |
| Jan–Mar 2021 | Total trihalomethanes (TTHM) | 0.23 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2021 | Haloacetic acids (HAA5) | 0.078 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2020 | Total trihalomethanes (TTHM) | 0.209 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2020 | Haloacetic acids (HAA5) | 0.076 mg/L | 0.060 mg/L | Resolved |
| Jul–Sep 2020 | Total trihalomethanes (TTHM) | 0.208 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2020 | Total trihalomethanes (TTHM) | 0.24 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2020 | Total trihalomethanes (TTHM) | 0.24 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2020 | Haloacetic acids (HAA5) | 0.064 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2019 | Total trihalomethanes (TTHM) | 0.256 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2019 | Haloacetic acids (HAA5) | 0.064 mg/L | 0.060 mg/L | Resolved |
| Jul–Sep 2019 | Total trihalomethanes (TTHM) | 0.256 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2019 | Haloacetic acids (HAA5) | 0.071 mg/L | 0.060 mg/L | Resolved |
| Apr–Jun 2019 | Haloacetic acids (HAA5) | 0.074 mg/L | 0.060 mg/L | Resolved |
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.
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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.
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Follow this water →Village of Chatham Water System's phone number on EPA record is 318-249-2541. Its mailing address is TOWN OF CHATHAM, PO BOX 7, CHATHAM, LA 71226.
According to EPA's record, Village of Chatham Water System uses groundwater from its own wells.
EPA's record shows 38 health-based violations for Village of Chatham 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 3 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Village of Chatham Water System's latest lead and copper round, which ended in December 2025, was 1 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Village of Chatham Water System. Its phone number on EPA record is 318-249-2541. Its mailing address on EPA record is TOWN OF CHATHAM, PO BOX 7, CHATHAM, LA 71226. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.