Is NEW UNDERWOOD required to publish a Consumer Confidence Report?

Yes. NEW UNDERWOOD 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 NEW UNDERWOOD’s next Consumer Confidence Report due?

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

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.

NEW UNDERWOOD, SD · Pennington County

NEW UNDERWOOD Water System

Consumer Confidence Report status

NEW UNDERWOOD 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 NEW UNDERWOOD.

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): SD4600224
System type: Community Water System
Population served: 679
Service connections: 269
Ownership: local government
Water source: groundwater (wells)

NEW UNDERWOOD is one of 124 community water systems in South Dakota in the 501 to 3,300 people size category, serving 679 people from groundwater.

As of August 1, 2026, its federal record holds 6 entries between 1976 and 2009, all of which EPA lists as closed. Nothing has been added since 2009.

Of the 6, 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Radionuclides and Revised Rad Rule.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 2009 – December 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 2008 – December 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1976 – June 30, 1980
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 1976 – June 30, 1980
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
April 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2008 – December 31, 2008	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
July 1, 1976 – June 30, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
July 1, 1976 – June 30, 1980	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

June 6, 2006State Administrative/Compliance Order with penalty issued33 linked violations
July 6, 2005State Public Notification received92 linked violations
May 1, 1994State Compliance achieved11 linked violations

Common questions

Is NEW UNDERWOOD required to publish a Consumer Confidence Report?: Yes. NEW UNDERWOOD 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 NEW UNDERWOOD’s next Consumer Confidence Report due?: NEW UNDERWOOD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does NEW UNDERWOOD have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for NEW UNDERWOOD.
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

NEW UNDERWOOD

6057546777

NEW UNDERWOOD, SD 57761