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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.

MS0110004 , Pattison W/A-West

Violations

1–30 of 95 validated violations, most recently determined first. 17 of the 30 listed on this page are recorded as part of 5 violation groups. Across the whole record the agency holds 21 groups, holding 75 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 Pattison W/A-West, 1 to 30 of 95 validated violations shown, most recently determined first.
Fiscal year Determined Violation Category Analyte Facility Group
2026 Dec 24, 2025 Public Notice Rule Linked to Violation, 14293 Public Notice Public Notice Not recorded Not in a group
2024 Mar 12, 2024 Monitoring, Routine (DBP), Major, 14289 Monitoring TTHM Distribution DS000 2024-47317 TTHM/Haa5
2024 Mar 12, 2024 Monitoring, Routine (DBP), Major, 14290 Monitoring Total Haloacetic Acids (Haa5) Distribution DS000 2024-47317 TTHM/Haa5
2024 Feb 1, 2024 Follow-Up Or Routine Tap M/R (LCR), 14288 Monitoring Lead & Copper Rule Distribution DS000 Not in a group
2023 Sep 7, 2023 CCR Report, 14287 Reporting Consumer Confidence Rule Not recorded Not in a group
2023 May 11, 2023 Monitoring, Routine, Major (RTCR), 14285 Monitoring E. Coli Not recorded Not in a group
2013 Oct 9, 2012 Monitoring, Routine Major, 14273 Monitoring Radium-228 Treatment Facility TF080 Not in a group
2013 Oct 9, 2012 Monitoring, Routine Major, 14274 Monitoring Gross Alpha Particle Activity Treatment Facility TF080 Not in a group
2013 Oct 9, 2012 Monitoring, Routine Major, 14275 Monitoring Radium-226 Treatment Facility TF080 Not in a group
2012 Jul 13, 2012 Monitoring, Routine Major, 14270 Monitoring Radium-228 Treatment Facility TF080 Not in a group
2012 Jul 13, 2012 Monitoring, Routine Major, 14271 Monitoring Gross Alpha Particle Activity Treatment Facility TF080 Not in a group
2012 Jul 13, 2012 Monitoring, Routine Major, 14272 Monitoring Radium-226 Treatment Facility TF080 Not in a group
2012 Jun 12, 2012 MCL (TCR), Monthly, 14267 Maximum Contaminant Level Coliform (TCR) Not recorded Not in a group
2012 Apr 10, 2012 Monitoring, Routine Major, 14262 Monitoring Combined Uranium Treatment Facility TF080 2012-39367 Z Radiologicals
2012 Apr 10, 2012 Monitoring, Routine Major, 14263 Monitoring Radium-226 Treatment Facility TF080 2012-39367 Z Radiologicals
2012 Apr 10, 2012 Monitoring, Routine Major, 14264 Monitoring Radium-228 Treatment Facility TF080 2012-39367 Z Radiologicals
2012 Apr 10, 2012 Monitoring, Routine Major, 14265 Monitoring Gross Alpha Particle Activity Treatment Facility TF080 2012-39367 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 14256 Monitoring Combined Uranium Treatment Facility TF080 2012-37065 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 14257 Monitoring Radium-226 Treatment Facility TF080 2012-37065 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 14258 Monitoring Radium-228 Treatment Facility TF080 2012-37065 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 14259 Monitoring Gross Alpha Particle Activity Treatment Facility TF080 2012-37065 Z Radiologicals
2012 Feb 14, 2012 Monitoring, Routine Major, 14260 Monitoring Radium-226 Treatment Facility TF080 Not in a group
2012 Feb 14, 2012 Monitoring, Routine Major, 14261 Monitoring Radium-228 Treatment Facility TF080 Not in a group
2012 Oct 17, 2011 Monitoring, Routine Major, 14224 Monitoring Combined Uranium Treatment Facility TF080 2012-22709 Z Radiologicals
2012 Oct 17, 2011 Monitoring, Routine Major, 14225 Monitoring Radium-226 Treatment Facility TF080 2012-22709 Z Radiologicals
2012 Oct 17, 2011 Monitoring, Routine Major, 14226 Monitoring Radium-228 Treatment Facility TF080 2012-22709 Z Radiologicals
2012 Oct 17, 2011 Monitoring, Routine Major, 14227 Monitoring Gross Alpha Particle Activity Treatment Facility TF080 2012-22709 Z Radiologicals
2012 Oct 17, 2011 Monitoring, Routine Major, 14228 Monitoring Combined Uranium Treatment Facility TF080 2012-24516 Z Radiologicals
2012 Oct 17, 2011 Monitoring, Routine Major, 14229 Monitoring Radium-226 Treatment Facility TF080 2012-24516 Z Radiologicals
2012 Oct 17, 2011 Monitoring, Routine Major, 14230 Monitoring Radium-228 Treatment Facility TF080 2012-24516 Z Radiologicals