Virginia Law

A. The results of all required monitoring activity shall be reported by the owner or the owner's authorized agent to the department no later than (i) the 10th day of the month following the month during which the test results were received, or (ii) the 10th day following the end of the monitoring period, whichever is shorter, unless stipulated otherwise by the department. The results of any required monitoring activity shall be reported by the owner or the owner's authorized agent in a format and method prescribed by the department. For routine compliance samples analyzed for contaminants listed in Tables 340.1 through 340.7, the owner shall request that the certified analytical laboratory performing the analyses provide the data electronically to the department as per the requirements of this section.

B. It shall be the duty and responsibility of an owner to report to the department in the most expeditious manner for circumstances identified in subsections C through J of this section. The owner shall contact the department for the acceptable notification method. The official laboratory data report shall be sent to the department as soon as practical.

C. Bacteriological examination reporting.

1. When a bacteriological examination shows that samples are required (see 12VAC5-590-380 D), the owner shall collect the repeat samples within 24 hours of being notified of the positive result and shall report the repeat sample results to the department.

2. Microbial contamination, as evidenced by one or more routine distribution system water samples indicating the presence of E. coli or waterborne pathogens, shall be reported by the owner to the department by the end of the day when the owner was notified of the test result, unless the department is closed, in which case the department shall be notified before the end of the next business day.

3. An E. coli PMCL violation shall be reported by the owner to the department by the end of the day when the owner was notified of the test result, unless the department is closed, in which case the department shall be notified before the end of the next business day.

4. The owner who has failed to comply with the monitoring requirements of 12VAC5-590-370 shall report the monitoring violation to the department in writing within 10 days after the owner discovers the violation and shall notify the public in accordance with 12VAC5-590-540 A 3.

D. Turbidity reporting. For a waterworks required to filter for pathogen and turbidity removal, a report shall be made within 24 hours to the department if the filtered water turbidity measurement exceeds the following concentrations based on the filtration treatment type:

1. Conventional filtration -- one NTU.

2. Diatomaceous earth filtration -- five NTU.

3. Slow sand filtration -- five NTU.

4. Membrane, bag and cartridge filtration -- one NTU.

E. PMCL exceedance.

1. When a PMCL of an inorganic or organic chemical is exceeded for a single sample the owner shall report the exceedance within seven days. If a sample result would cause the compliance average to be exceeded, then the owner shall report the sample result, in context with the compliance average, to the department within 48 hours.

2. When the average value of the samples collected pursuant to 12VAC5-590-382 and 12VAC5-590-383 exceeds the PMCL of an inorganic or organic chemical, the owner shall report the exceedance to the department within 48 hours.

3. When the PMCL for a radionuclide has been exceeded as determined by Table 340.4, the results shall be reported to the department within 48 hours.

F. The owner shall report to the department within 48 hours of the failure to comply with the monitoring and sanitary survey requirements of this chapter.

G. The owner shall report to the department within 48 hours of the failure to comply with the requirements of the schedule prescribed pursuant to a variance or exemption.

H. The owner shall report a Tier 1 violation or situation, as described in 12VAC5-590-540 A 1, to the department as soon as practical, but no later than 24 hours after the owner learns of the Tier 1 violation or situation. At the same time the report is made, the owner shall consult with the department to determine the need for any additional actions to address the violation or situation.

I. Reporting requirements for coliform treatment technique violations.

1. The owner that has violated the treatment technique required in 12VAC5-590-392 B shall report the violation to the department no later than the end of the next business day after learning of the violation and shall notify the public in accordance with 12VAC5-590-540 A 2.

2. The owner that is required to conduct an assessment under 12VAC5-590-392 C shall submit the assessment report within 30 days to the department.

3. The owner shall notify the department in writing after each scheduled corrective action is completed for corrections that were not completed by the time of submission of the assessment form under the requirements of 12VAC5-590-392 C.

J. The owner of a seasonal waterworks shall submit the certification of completion of the approved start-up procedure on a form approved by the department before serving water.

K. Reporting requirements for groundwater systems. The owner shall report the following information in accordance with subsection A of this section:

1. The owner conducting compliance monitoring as required by 12VAC5-590-421 C shall notify the department as soon as practical, but no later than the next business day, whenever the groundwater system fails to meet the department-specified minimum residual disinfectant concentration for more than four hours.

2. The owner required to conduct corrective action as described in 12VAC5-590-421 A shall notify the department within 30 days of completion of corrective action.

3. The owner subject to the source water monitoring requirements of 12VAC5-590-379 that do not conduct this monitoring under the provision of 12VAC5-590-380 E shall provide documentation to the department within 30 days of the collection that the sample met the criteria defined in 12VAC5-590-380 E.