No health-based violations on EPA record since 2016.
Serves about 1,821 people (607 connections) with surface water from its own intake, and buys water from Cypress Springs SUD N Plant 1 and Ne Pla.
From EPA's record for TX0800016. PurityMap is independent of Cypress Springs SUD South Plant.
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No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
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.
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Follow this water →Cypress Springs SUD South Plant's phone number on EPA record is 903-508-0981. Its mailing address is PO BOX 591, MOUNT VERNON, TX 75457-0591.
According to EPA's record, Cypress Springs SUD South Plant uses surface water from its own intake, and buys water from Cypress Springs SUD N Plant 1 and Ne Pla.
No health-based violations on EPA record since 2016. EPA also lists 1 missed or late test or report in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Cypress Springs SUD South Plant's latest lead and copper round, which ended in December 2025. The federal action level is 15 µg/L.
PurityMap has no verified website for Cypress Springs SUD South Plant. Its phone number on EPA record is 903-508-0981. Its mailing address on EPA record is PO BOX 591, MOUNT VERNON, TX 75457-0591. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.