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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

MS0080001 , Black Hawk Water Assn #1

Violations

1–30 of 177 validated violations, most recently determined first. 16 of the 30 listed on this page are recorded as part of 4 violation groups. Across the whole record the agency holds 42 groups, holding 154 violations.

Please note: some of these violations may have been resolved and/or returned to compliance.

Grouped and ungrouped violations are in one list; the group column says which is which.

Every validated violation on record for Black Hawk Water Assn #1, 1 to 30 of 177 validated violations shown, most recently determined first.
Fiscal year Determined Violation Category Analyte Facility Group
2025 Oct 15, 2024 Monitoring, Routine, Major (RTCR), 16341 Monitoring E. Coli Not recorded Not in a group
2025 Oct 15, 2024 Monitoring, Routine (DBP), Major, 16342 Monitoring Chlorine Distribution DS000 Not in a group
2013 Oct 9, 2012 Monitoring, Routine Major, 16329 Monitoring Combined Uranium Treatment Facility TF101 2013-41369 Z Radiologicals
2013 Oct 9, 2012 Monitoring, Routine Major, 16330 Monitoring Radium-226 Treatment Facility TF101 2013-41369 Z Radiologicals
2013 Oct 9, 2012 Monitoring, Routine Major, 16331 Monitoring Radium-228 Treatment Facility TF101 2013-41369 Z Radiologicals
2013 Oct 9, 2012 Monitoring, Routine Major, 16332 Monitoring Gross Alpha Particle Activity Treatment Facility TF101 2013-41369 Z Radiologicals
2013 Oct 9, 2012 Monitoring, Routine Major, 16333 Monitoring Radium-228 Treatment Facility TF102 Not in a group
2013 Oct 9, 2012 Monitoring, Routine Major, 16334 Monitoring Gross Alpha Particle Activity Treatment Facility TF102 Not in a group
2013 Oct 9, 2012 Monitoring, Routine Major, 16335 Monitoring Radium-226 Treatment Facility TF102 Not in a group
2012 Jul 13, 2012 Monitoring, Routine Major, 16322 Monitoring Radium-228 Treatment Facility TF101 Not in a group
2012 Jul 13, 2012 Monitoring, Routine Major, 16323 Monitoring Combined Uranium Treatment Facility TF102 2012-40996 Z Radiologicals
2012 Jul 13, 2012 Monitoring, Routine Major, 16324 Monitoring Radium-226 Treatment Facility TF102 2012-40996 Z Radiologicals
2012 Jul 13, 2012 Monitoring, Routine Major, 16325 Monitoring Radium-228 Treatment Facility TF102 2012-40996 Z Radiologicals
2012 Jul 13, 2012 Monitoring, Routine Major, 16326 Monitoring Gross Alpha Particle Activity Treatment Facility TF102 2012-40996 Z Radiologicals
2012 Jul 13, 2012 Monitoring, Routine Major, 16327 Monitoring Gross Alpha Particle Activity Treatment Facility TF101 Not in a group
2012 Jul 13, 2012 Monitoring, Routine Major, 16328 Monitoring Radium-226 Treatment Facility TF101 Not in a group
2012 Apr 10, 2012 Monitoring, Routine Major, 16315 Monitoring Gross Alpha Particle Activity Treatment Facility TF101 Not in a group
2012 Apr 10, 2012 Monitoring, Routine Major, 16316 Monitoring Gross Alpha Particle Activity Treatment Facility TF102 Not in a group
2012 Apr 10, 2012 Monitoring, Routine Major, 16317 Monitoring Radium-228 Treatment Facility TF101 Not in a group
2012 Apr 10, 2012 Monitoring, Routine Major, 16318 Monitoring Radium-228 Treatment Facility TF102 Not in a group
2012 Apr 10, 2012 Monitoring, Routine Major, 16319 Monitoring Radium-226 Treatment Facility TF101 Not in a group
2012 Apr 10, 2012 Monitoring, Routine Major, 16320 Monitoring Radium-226 Treatment Facility TF102 Not in a group
2012 Feb 14, 2012 Monitoring, Routine Major, 16299 Monitoring Combined Uranium Treatment Facility TF102 2012-36756 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 16300 Monitoring Radium-226 Treatment Facility TF102 2012-36756 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 16301 Monitoring Radium-228 Treatment Facility TF102 2012-36756 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 16302 Monitoring Gross Alpha Particle Activity Treatment Facility TF102 2012-36756 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 16303 Monitoring Combined Uranium Treatment Facility TF101 2012-37062 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 16304 Monitoring Radium-226 Treatment Facility TF101 2012-37062 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 16305 Monitoring Radium-228 Treatment Facility TF101 2012-37062 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 16306 Monitoring Gross Alpha Particle Activity Treatment Facility TF101 2012-37062 Z Radiologicals