No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting October 2022.
Serves about 438 people (146 connections) with groundwater bought from Better Waterworks Water System.
From EPA's record for LA1073061. PurityMap is independent of Hidden Oaks Subdivision WS.
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19 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Oct–Dec 2022 | Total trihalomethanes (TTHM) | 0.088 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2022 | Total trihalomethanes (TTHM) | 0.092 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2022 | Total trihalomethanes (TTHM) | 0.101 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2022 | Total trihalomethanes (TTHM) | 0.096 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2019 | Total trihalomethanes (TTHM) | 0.09 mg/L | 0.080 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Apr–Jun 2019 | Total trihalomethanes (TTHM) | 0.174 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2019 | Total trihalomethanes (TTHM) | 0.258 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2019 | Haloacetic acids (HAA5) | 0.065 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2018 | Total trihalomethanes (TTHM) | 0.361 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2018 | Haloacetic acids (HAA5) | 0.079 mg/L | 0.060 mg/L | Resolved |
| Jul–Sep 2018 | Total trihalomethanes (TTHM) | 373 µg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2018 | Haloacetic acids (HAA5) | 68 µg/L | 0.060 mg/L | Resolved |
| Apr–Jun 2018 | Total trihalomethanes (TTHM) | 398 µg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2018 | Haloacetic acids (HAA5) | 68 µg/L | 0.060 mg/L | Resolved |
| Jan–Mar 2018 | Total trihalomethanes (TTHM) | 362 µg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2017 | Total trihalomethanes (TTHM) | 272 µg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2017 | Total trihalomethanes (TTHM) | 199 µg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2017 | Total trihalomethanes (TTHM) | 97 µg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2016 | Haloacetic acids (HAA5) | 65 µg/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.
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 →Hidden Oaks Subdivision WS's phone number on EPA record is 318-343-6851. Its mailing address is L & R UTILITIES, INC., PO BOX 360, WEST MONROE, LA 71294.
According to EPA's record, Hidden Oaks Subdivision WS uses groundwater bought from Better Waterworks Water System.
EPA's record shows 19 health-based violations for Hidden Oaks Subdivision WS in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting October 2022. EPA also lists 4 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Hidden Oaks Subdivision WS's latest lead and copper round, which ended in December 2024, was 1 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Hidden Oaks Subdivision WS. Its phone number on EPA record is 318-343-6851. Its mailing address on EPA record is L & R UTILITIES, INC., PO BOX 360, WEST MONROE, LA 71294. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.