No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting October 2018.
Serves about 872 people (525 connections) with groundwater from its own wells.
From EPA's record for SD4600159. PurityMap is independent of Hill City.
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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 October 2018 | Arsenic | 0.012 mg/L | 0.010 mg/L | Resolved |
| From July 2018 | Arsenic | 0.012 mg/L | 0.010 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.
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Follow this water →Hill City's phone number on EPA record is 6055742300. Its mailing address is PO BOX 395, HILL CITY, SD 57745.
According to EPA's record, Hill City uses groundwater from its own wells.
EPA's record shows 2 health-based violations for Hill City 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 2018. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Hill City'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 Hill City. Its phone number on EPA record is 6055742300. Its mailing address on EPA record is PO BOX 395, HILL CITY, SD 57745. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.