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Anyone familiar with the new SFWMD and SWFWMD nutrient loading reqs?

Anyone familiar with the new SFWMD and SWFWMD nutrient loading reqs?

Anyone familiar with the new SFWMD and SWFWMD nutrient loading reqs?

(OP)
I'm having a bastard of a time getting the SWFWMD nutrient loading spreadsheet to work for treatment train systems.  Anyone have any experience with this thing?  It doesn't seem to want to let me enter in a 2nd or 3rd BMP without their own separate drainage basin areas.

RE: Anyone familiar with the new SFWMD and SWFWMD nutrient loading reqs?

I assume you are checking these spreadsheets out for interest. The latest date these will be law is June 2010.
I have been reviewing the updated laws and spreadsheets, but i have not tried to enter any info yet. I will give it a try.

 

RE: Anyone familiar with the new SFWMD and SWFWMD nutrient loading reqs?

(OP)
I've got a project on an outstanding florida water with SFWMD, and they gave me the SWFWMD spreadsheet as a go-by, but I've had to build my own because the SWFWMD sheet doesn't seem to want to behave properly.

When you're doing your cross-check, try building a treatment train with two dry retention systems in series, the second one of which doesn't have a watershed draining to it, just the first dry pond.  See if you get answers that make any sense.  I haven't been able to get any.

RE: Anyone familiar with the new SFWMD and SWFWMD nutrient loading reqs?

(OP)
Also -

Do you know whether the pre/post limits on these things are being set by concentration or by mass?  Obviously there's a pretty significant difference, given the changes in total annual runoff volume from developed sites.

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