Section 809.336. Reporting source water monitoring results.

 

(1)  Water suppliers shall report results from the source water monitoring required under s. NR 809.331 (1) and (2) no later than 10 days after the end of the first month following the month when the sample is collected.

(a) All water suppliers for public water systems serving at least 10,000 people shall report the results from the initial source water monitoring required under s. NR 809.331 (1) to EPA.

(b) If a water supplier is unable to report monitoring results electronically, the water supplier may use an alternative approach for reporting monitoring results that EPA approves.

(2)  Water suppliers for public water systems serving fewer than 10,000 people shall report results from the initial source water monitoring required under s. NR 809.331 (1) to the department.

(3)  All water suppliers shall report results from the second round of source water monitoring required under s. NR 809.331 (2) to the department.

(4)  Water suppliers shall report the applicable information in pars. (a) and (b) for the source water monitoring required under s. NR 809.331 (1) and (2) .

(a) Water suppliers shall report the following data elements for each Cryptosporidium analysis: - See PDF for table

1. For matrix spike samples, water suppliers shall also report the sample volume spiked and estimated number of oocysts spiked. These data are not required for field samples.

2. For samples in which less than 10 L is filtered or less than 100% of the sample volume is examined, water suppliers shall also report the number of filters used and the packed pellet volume.

3. For samples in which less than 100% of sample volume is examined, water suppliers shall also report the volume of resuspended concentrate and volume of this resuspension processed through immunomagnetic separation.

(b) Water suppliers shall report the following data elements for each E. coli analysis: - See PDF for table

(c) Water suppliers for public water systems serving fewer than 10,000 people that are not required to monitor for turbidity under s. NR 809.331 (1) and (2) are not required to report turbidity with their E. coli results.

CR 09-073 : cr. Register November 2010 No. 659 , eff. 12-1-10; correction in (1) (a) made under s. 13.92 (4) (b) 6. , Stats., Register January 2013 No. 685 ; CR 15-049 : am. (4) (b) Register March 2016 No. 723 , eff. 4-1-16.