Public Water Partners

RAPID CITY, SD · Pennington County

DARLINGTON ESTATES Water System

Consumer Confidence Report status

DARLINGTON ESTATES must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for DARLINGTON ESTATES.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace South Dakota’s official records. Always confirm current status with South Dakota before making decisions based on this information.

System facts

System ID (PWSID)
SD4600403
System type
Community Water System
Population served
25
Service connections
15
Ownership
privately owned
Water source
groundwater (wells)

DARLINGTON ESTATES is one of 583 community water systems in South Dakota in the 500 or fewer people size category, serving 25 people from groundwater.

As of August 1, 2026, its federal record holds 1 entry in 2026, all of which EPA lists as closed.

None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Radionuclides and Revised Rad Rule.

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    January 1, 2026 – March 31, 2026

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Common questions

Is DARLINGTON ESTATES required to publish a Consumer Confidence Report?

Yes. DARLINGTON ESTATES is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is DARLINGTON ESTATES’s next Consumer Confidence Report due?

DARLINGTON ESTATES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does DARLINGTON ESTATES have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for DARLINGTON ESTATES.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

DARLINGTON ESTATES

Phone not on record

RAPID CITY, SD 57703