DELMONT, SD · Douglas County
GREENWOOD COLONY Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- SD4602022
- System type
- Community Water System
- Population served
- 85
- Service connections
- 43
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Source Water (GWR)
—E. COLI
November 17, 2020 – June 1, 2022
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2019 – September 17, 2020
ResolvedMonitoring, Source Water (GWR)
—E. COLI
January 29, 2019 – February 28, 2019
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Benzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Styrene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Toluene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Arsenic
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Barium
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Cadmium
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Mercury
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Selenium
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Nickel
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2015 – August 31, 2015
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
July 1, 2015 – July 31, 2015
ResolvedMonitoring, Source Water (GWR)
—E. COLI
November 29, 2014 – August 12, 2015
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Simazine
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Chlordane
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Endrin
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Diquat
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Fluoride
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Arsenic
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Nickel
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Mercury
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Chromium
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 2007 – December 31, 2007
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
November 1, 2007 – November 30, 2007
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2006 – December 31, 2006
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| November 17, 2020 – June 1, 2022 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| October 1, 2019 – September 17, 2020 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 29, 2019 – February 28, 2019 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Nickel | — | Resolved |
| August 1, 2015 – August 31, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2015 – July 31, 2015 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| November 29, 2014 – August 12, 2015 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| December 1, 2007 – December 31, 2007 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 2007 – November 30, 2007 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 14, 2021State Compliance achieved4 linked violations
- October 14, 2021State Compliance achieved5 linked violations
- October 14, 2021State Compliance achieved3 linked violations
- October 14, 2021State Compliance achieved3 linked violations
- October 14, 2021State Compliance achieved4 linked violations
- June 22, 2020State Public Notification received3 linked violations
- January 14, 2020State Public Notification requested3 linked violations
- June 25, 2018State Public Notification received15 linked violations
- July 17, 2017State Compliance achieved7 linked violations
- January 6, 2017State Public Notification requested23 linked violations
- January 6, 2017State Public Notification requested7 linked violations
- July 2, 2014State Public Notification requested10 linked violations
- June 3, 2014State Compliance achieved14 linked violations
- June 3, 2014State Compliance achieved32 linked violations
- May 5, 2014State Public Notification requested8 linked violations
- February 4, 2013State Compliance achieved67 linked violations
- February 4, 2013State Compliance achieved42 linked violations
- January 2, 2013State Public Notification requested21 linked violations
- January 2, 2013State Public Notification requested17 linked violations
Contact
GREENWOOD COLONY
6054915158
DELMONT, SD 57330