Public water system record

Golden Valley Water Company

Serves an area of Meade County, SD that includes Blackhawk · 283 people served

Federal records show 7 health-based violations and no monitoring/reporting issues for Golden Valley Water Company in the last ten years. The most serious issue in this window was a resolved Gross Alpha, Excl. Radon and U violation.

  • SD4602261
  • BLACK HAWK
  • SD
  • 283 served

System profile

Source water Groundwater
ZIP 57718
EPA system ID SD4602261

Verify this system on EPA ECHO →

Health-based violations, last 10 years
7
Resolved
7
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • Golden Valley Water Company draws water from 1 well.
  • Highest measured level in the last 10 years: Combined Radium (-226 and -228), 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit), 2018.
  • Most recent formal enforcement: compliance order (no penalty) by South Dakota, June 2017.
  • Record on file since 2010, with 10 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 8 unknown out of 102 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
340 Jul 1, 2021 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Jan 1, 2018 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Oct 1, 2017 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Jul 1, 2017 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Apr 1, 2017 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Jan 1, 2017 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
340 Oct 1, 2016 Resolved No

Full record since 2010

EPA's records for Golden Valley Water Company go back to 2010. Before October 19, 2016 they list 10 health-based violations (10 resolved) and no monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 10 0
October 19, 2016 to 2019 5 0
2020s 1 0

Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began October 2016, Resolved.

Show all 10 health-based violations before October 19, 2016
Contaminant Start date Status
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
Oct 1, 2016 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
Jul 1, 2016 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
Apr 1, 2016 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
Jan 1, 2016 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
Apr 1, 2014 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 21 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
Jan 1, 2014 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
Oct 1, 2013 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
Apr 1, 2011 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
Jan 1, 2011 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
Oct 1, 2010 Resolved

Enforcement actions

South Dakota regulators took 1 formal enforcement action against Golden Valley Water Company in 2017, filed as 9 records in EPA's data. The most recent was a compliance order (no penalty) in June 2017.

Date By Action Violations covered
Jun 23, 2017 South Dakota Compliance order (no penalty) 9 violations (9 health-based): Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U

What the violations mean

Combined Radium (-226 and -228)

6 incidents

Test results for Combined Radium (-226 and -228) were above the federal limit (a maximum contaminant level violation).

The utility had to notify customers about each of these violations.

Gross Alpha, Excl. Radon and U

1 incident

Test results for Gross Alpha, Excl. Radon and U were above the federal limit (a maximum contaminant level violation).

The utility had to notify customers about this violation.

Where the water comes from

Golden Valley Water Company draws water from 1 well.

Annual water quality report

Golden Valley Water Company must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Golden Valley Water Company for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by South Dakota.