No open health-based violations on EPA record in the last 10 years.
Serves about 939 people (378 connections) with groundwater bought from South Lincoln Rural Water System.
From EPA's record for SD4600377. PurityMap is independent of Worthing.
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2 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From March 2023 | Stage 1 Disinfectants and Disinfection Byproducts Rule | – | – | Resolved |
| From April 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule | – | – | 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.
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Follow this water →Worthing's phone number on EPA record is 6053724113. Its mailing address is 300 WEST 1ST ST - PO BOX 277, WORTHING, SD 57077.
According to EPA's record, Worthing uses groundwater bought from South Lincoln Rural Water System.
EPA's record shows 2 health-based violations for Worthing in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 2 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Worthing'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 Worthing. Its phone number on EPA record is 6053724113. Its mailing address on EPA record is 300 WEST 1ST ST - PO BOX 277, WORTHING, SD 57077. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.