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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.

MS0460003 , City of Columbia

Violations

1–30 of 94 validated violations, most recently determined first. 20 of the 30 listed on this page are recorded as part of 6 violation groups. Across the whole record the agency holds 22 groups, holding 77 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 City of Columbia, 1 to 30 of 94 validated violations shown, most recently determined first.
Fiscal year Determined Violation Category Analyte Facility Group
2026 Apr 17, 2026 Monitoring, Routine (DBP), Major, 2895 Monitoring Chlorine Distribution DS000 Not in a group
2026 Mar 19, 2026 Monitoring, Routine, Minor (RTCR), 2894 Monitoring E. Coli Not recorded Not in a group
2026 Jan 12, 2026 Record Keeping, Without Rule Code, 2893 Reporting Not recorded Not recorded Not in a group
2025 Mar 19, 2025 Monitoring, Routine (DBP), Major, 2891 Monitoring TTHM Distribution DS000 2025-48094 TTHM/Haa5
2025 Mar 19, 2025 Monitoring, Routine (DBP), Major, 2892 Monitoring Total Haloacetic Acids (Haa5) Distribution DS000 2025-48094 TTHM/Haa5
2025 Feb 26, 2025 LSL Inventory-Initial, 2889 Treatment Technique Lead and Copper Rule Revisions Not recorded Not in a group
2025 Feb 26, 2025 LSL Reporting-Initial, 2890 Reporting Lead and Copper Rule Revisions Not recorded Not in a group
2024 Mar 7, 2024 Monitoring, Routine (DBP), Major, 2885 Monitoring TTHM Distribution DS000 2024-47176 TTHM/Haa5
2024 Mar 7, 2024 Monitoring, Routine (DBP), Major, 2886 Monitoring Total Haloacetic Acids (Haa5) Distribution DS000 2024-47176 TTHM/Haa5
2014 Jun 4, 2014 MCL (TCR), Monthly, 2870 Maximum Contaminant Level Coliform (TCR) Not recorded Not in a group
2013 Jan 15, 2013 Monitoring, Routine Major, 2866 Monitoring Combined Uranium Treatment Facility TF080 Not in a group
2013 Jan 15, 2013 Monitoring, Routine Major, 2867 Monitoring Radium-226 Treatment Facility TF080 Not in a group
2013 Jan 15, 2013 Monitoring, Routine Major, 2868 Monitoring Radium-228 Treatment Facility TF080 Not in a group
2013 Jan 15, 2013 Monitoring, Routine Major, 2869 Monitoring Gross Alpha Particle Activity Treatment Facility TF080 Not in a group
2013 Oct 9, 2012 Monitoring, Routine Major, 2862 Monitoring Combined Uranium Treatment Facility TF080 2013-41379 Z Radiologicals
2013 Oct 9, 2012 Monitoring, Routine Major, 2863 Monitoring Radium-226 Treatment Facility TF080 2013-41379 Z Radiologicals
2013 Oct 9, 2012 Monitoring, Routine Major, 2864 Monitoring Radium-228 Treatment Facility TF080 2013-41379 Z Radiologicals
2013 Oct 9, 2012 Monitoring, Routine Major, 2865 Monitoring Gross Alpha Particle Activity Treatment Facility TF080 2013-41379 Z Radiologicals
2012 Jul 13, 2012 Monitoring, Routine Major, 2858 Monitoring Combined Uranium Treatment Facility TF080 2012-40750 Z Radiologicals
2012 Jul 13, 2012 Monitoring, Routine Major, 2859 Monitoring Radium-226 Treatment Facility TF080 2012-40750 Z Radiologicals
2012 Jul 13, 2012 Monitoring, Routine Major, 2860 Monitoring Radium-228 Treatment Facility TF080 2012-40750 Z Radiologicals
2012 Jul 13, 2012 Monitoring, Routine Major, 2861 Monitoring Gross Alpha Particle Activity Treatment Facility TF080 2012-40750 Z Radiologicals
2012 Apr 10, 2012 Monitoring, Routine Major, 2853 Monitoring Combined Uranium Treatment Facility TF080 2012-39813 Z Radiologicals
2012 Apr 10, 2012 Monitoring, Routine Major, 2854 Monitoring Radium-226 Treatment Facility TF080 2012-39813 Z Radiologicals
2012 Apr 10, 2012 Monitoring, Routine Major, 2855 Monitoring Radium-228 Treatment Facility TF080 2012-39813 Z Radiologicals
2012 Apr 10, 2012 Monitoring, Routine Major, 2856 Monitoring Gross Alpha Particle Activity Treatment Facility TF080 2012-39813 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 2845 Monitoring Combined Uranium Treatment Facility TF080 2012-37311 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 2846 Monitoring Radium-226 Treatment Facility TF080 2012-37311 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 2847 Monitoring Radium-228 Treatment Facility TF080 2012-37311 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 2848 Monitoring Gross Alpha Particle Activity Treatment Facility TF080 2012-37311 Z Radiologicals

1 of these violations has no analyte on record and reads “Not recorded” in the Analyte column.