Is TERRY TROJAN WATER DISTRICT required to publish a Consumer Confidence Report?

Yes. TERRY TROJAN WATER DISTRICT 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 TERRY TROJAN WATER DISTRICT’s next Consumer Confidence Report due?

TERRY TROJAN WATER DISTRICT’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.

BLACK HAWK, SD · Lawrence County

TERRY TROJAN WATER DISTRICT Water System

Consumer Confidence Report status

TERRY TROJAN WATER DISTRICT 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 TERRY TROJAN WATER DISTRICT.

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): SD4600053
System type: Community Water System
Population served: 400
Service connections: 220
Ownership: privately owned
Water source: groundwater (wells)

TERRY TROJAN WATER DISTRICT is one of 583 community water systems in South Dakota in the 500 or fewer people size category, serving 400 people from groundwater.

As of August 1, 2026, its federal record holds 30 entries between 1976 and 2007, all of which EPA lists as closed. Nothing has been added since 2007.

Of the 30, 29 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 synthetic organic chemicals, inorganic chemicals, and the Radionuclides and Revised Rad Rule.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
OXAMYL
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Chlordane
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Carbofuran
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Methoxychlor
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Simazine
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Glyphosate
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Heptachlor epoxide
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Endrin
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Carbofuran
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
OXAMYL
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Selenium
July 1, 1979 – June 30, 1980
Archived
Monitoring, Regular
—
Arsenic
July 1, 1979 – June 30, 1980
Archived
Monitoring, Regular
—
Barium
July 1, 1979 – June 30, 1980
Archived
Monitoring, Regular
—
Cadmium
July 1, 1979 – June 30, 1980
Archived
Monitoring, Regular
—
Chromium
July 1, 1979 – June 30, 1980
Archived
Monitoring, Regular
—
Fluoride
July 1, 1979 – June 30, 1980
Archived
Monitoring, Regular
—
Mercury
July 1, 1979 – June 30, 1980
Archived
Monitoring, Regular
—
Nitrate
July 1, 1979 – June 30, 1980
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
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, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	OXAMYL	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Chlordane	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Methoxychlor	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Simazine	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Glyphosate	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Methoxychlor	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Endrin	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Carbofuran	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	OXAMYL	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Dalapon	—	Resolved
July 1, 1979 – June 30, 1980	Monitoring, Regular	Selenium	—	Archived
July 1, 1979 – June 30, 1980	Monitoring, Regular	Arsenic	—	Archived
July 1, 1979 – June 30, 1980	Monitoring, Regular	Barium	—	Archived
July 1, 1979 – June 30, 1980	Monitoring, Regular	Cadmium	—	Archived
July 1, 1979 – June 30, 1980	Monitoring, Regular	Chromium	—	Archived
July 1, 1979 – June 30, 1980	Monitoring, Regular	Fluoride	—	Archived
July 1, 1979 – June 30, 1980	Monitoring, Regular	Mercury	—	Archived
July 1, 1979 – June 30, 1980	Monitoring, Regular	Nitrate	—	Archived
July 1, 1976 – June 30, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

December 19, 2011State Public Notification requested9 linked violations
July 22, 2008State Compliance achieved1 linked violation
July 22, 2008State Compliance achieved1 linked violation
July 22, 2008State Compliance achieved1 linked violation
April 14, 2008State Intentional no-action1 linked violation
April 11, 2008State Public Notification received2 linked violations
April 11, 2008State Compliance achieved1 linked violation
April 8, 2008State Public Notification requested1 linked violation
October 10, 2007State Public Notification received4 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued6 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued3 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued4 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued4 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued5 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued7 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued2 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued2 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued4 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued12 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued5 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued7 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued8 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued5 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued5 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued6 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued6 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued8 linked violations
March 28, 2007State Administrative/Compliance Order without penalty issued7 linked violations
March 27, 2007State Public Notification requested5 linked violations
February 26, 2007State Compliance achieved1 linked violation
February 26, 2007State Compliance achieved1 linked violation
February 26, 2007State Compliance achieved1 linked violation
February 26, 2007State Compliance achieved2 linked violations
February 26, 2007State Compliance achieved2 linked violations
February 26, 2007State Compliance achieved2 linked violations
February 26, 2007State Compliance achieved2 linked violations
February 26, 2007State Compliance achieved1 linked violation
February 26, 2007State Compliance achieved1 linked violation
February 26, 2007State Compliance achieved2 linked violations
February 26, 2007State Compliance achieved1 linked violation
February 26, 2007State Compliance achieved4 linked violations
February 26, 2007State Compliance achieved4 linked violations
February 26, 2007State Compliance achieved3 linked violations
February 26, 2007State Compliance achieved3 linked violations
February 26, 2007State Compliance achieved7 linked violations
February 26, 2007State Compliance achieved5 linked violations
February 26, 2007State Compliance achieved5 linked violations
February 26, 2007State Compliance achieved5 linked violations
February 26, 2007State Compliance achieved5 linked violations
February 26, 2007State Compliance achieved5 linked violations
February 26, 2007State Compliance achieved4 linked violations
February 26, 2007State Compliance achieved5 linked violations
February 26, 2007State Compliance achieved5 linked violations
February 26, 2007State Compliance achieved5 linked violations
February 26, 2007State Compliance achieved2 linked violations
February 26, 2007State Compliance achieved2 linked violations
February 26, 2007State Compliance achieved3 linked violations
February 26, 2007State Compliance achieved1 linked violation
February 26, 2007State Compliance achieved2 linked violations
July 28, 2006State Public Notification requested14 linked violations
July 28, 2006State Public Notification requested9 linked violations
July 28, 2006State Public Notification requested95 linked violations
July 28, 2006State Public Notification requested43 linked violations
July 28, 2006State Public Notification requested57 linked violations
July 28, 2006State Public Notification requested8 linked violations

Common questions

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

TERRY TROJAN WATER DISTRICT

6057864366

BLACK HAWK, SD 57718