Wisconsin Statutes Environmental Regulation (Ch. 280 to 299) § 281.145. River and stream monitoring and study

(a) “Nonpoint source” has the meaning given in s. 281.16(1)(e).

(b) “Point source” has the meaning given in s. 283.01(12).

(a) Identify the amounts of nutrients being introduced into these waters.

(b) Characterize and quantify the nutrients, in particular nitrogen and phosphorus, introduced into these waters from nonpoint sources relative to climate, land use, soil type, elevation, and drainage.

(c) Collect water quality information from locations on these waters and from major tributaries and major impoundments to use in evaluating the biological, physical, and chemical properties of the water and to use as data in watershed and river models.

(d) Use watershed and river models and the information collected under this subsection and from other sources to forecast the effect on water quality of different methods of reducing the amounts of nutrients introduced into these waters.

(e) Develop tools to use in selecting and implementing methods of reducing the amounts of nutrients introduced into these waters.