Sanitary Surveys

The Department conduct a sanitary survey of all PWSs. Sanitary surveys will include, but are not limited to, the following elements: source; treatment; distribution system; finished water storage; pump, pump facilities, and controls; monitoring and reporting and data verification; PWS management and operation; and operator complianc e with state requirements. For those PWSs using groundwater, 40 CFR Part 141, Subpart S, is incorporated by reference. (7-1-24) 01. Frequency. For non-community PWSs, a sanitary survey must be conducted every five (5) years. For community PWSs, a sanitary survey will be conducted every three (3) years, except as provided below. (7-1-24) a. Community systems using surface water or groundwater under the direct influence of surface wate r that have been determined to have outstanding performance, according to criteria established by the Department, may have a sanitary survey conducted every five (5) years. (7-1-24) b. Community systems using groundwater may have a sanitary survey conducted every five (5) years if the PWS provides at least a four (4)-log treatment of viruses (using inactivation, removal, or a Department- approved combination of 4-log inactivation and removal) before or at the first customer for all of its groundwate r sources. (7-1-24) c. Community systems using groundwater may have a sanitary survey conducted every five (5) years if they have an outstanding performance record, as determined by the Department and documented in previou s sanitary surveys, and have no history of Revised Total Coliform Rule MCL or monitoring violations under Subsection 100.01 since the last sanitary survey. (7-1-24) 02. Report. The Department will provided a report describing the results of the sanitary survey to the PWS. As part of the sanitary survey report or as an independent action, the Department will provide written notice t o the PWS describing any significant deficiency within thirty (30) days after the Department identifies the significan t deficiency. The notice may specify corrective actions and deadlines for completion of corrective actions. (7-1-24) 03. Significant Deficiencies. For each of the eight (8) elements of a sanitary survey of a groundwate r system, the Department will consider the following deficiencies significant in all cases for the purposes of the notic e required in Subsection 303.02. Decisions about the significance of other deficiencies identified during the sanitar y survey will be at the Department’s discretion, as indicated in the Department’s sanitary survey protocol. (7-1-24) a. Source: Lack of or improper sanitary well cap as specified in Subsection 511.06.b. (7-1-24) b. Treatment: (7-1-24) i. Chemical addition lacks emergency shut-off as specified in Subsection 531.02.b.ii. (7-1-24) ii. Chemical addition is not flow proportioned where the rate of flow or chemical demand is no t reasonably constant, as specified in Subsection 531.02.b.ii. (7-1-24) c. Distribution system: A minimum system pressure of twenty (20) psi is not maintained throughout the distribution system as specified in Subsection 552.01.b. (7-1-24) d. Finished water storage: Roof leaking, as specified in Subsections 544.09 and 544.09.c. (7-1-24) e. Pumps, pump facilities, and controls: A pump house must be protected from contamination and unauthorized entry, as specified in Subsection 541.01. (7-1-24) f. Monitoring, reporting, and data verification: Repeated failure to collect the required number an d type of Revised Total Coliform Rule samples during the most recent two (2) year period, as specified in Subsectio n 100.01. (7-1-24) g. PWS management and operation: History of frequent depressurization in the distribution system in violation of Subsection 552.01. (7-1-24) h. Operator compliance with state licensing requirements: The PWS does not have a properly license d responsible charge operator as required in Subsection 554.02. (7-1-24) 04. Response Required. After notification from the Department of significant deficiencies, the owner of a PWS must respond in writing, describing how and on what schedule the PWS will address all significan t deficiencies, not later than forty-five (45) days for PWSs using surface water or groundwater under the direc t influence of surface water or thirty (30) days for PWSs only using groundwater. (7-1-24) 05. Consultation with the Department. PWS owners must consult with the Department prior t o taking specific corrective actions in response to significant deficiencies identified during a sanitary survey, unles s such corrective actions are specified in detail by the Department in its written notification under Subsection 302.02. (7-1-24) 06. Violation. Failure to address significant deficiencies identified in a sanitary survey is a violation of these rules. (7-1-24) 303. (RESERVED)