Velarion Records
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Watershed · by program

POTW discharge permits in subbasin 10120203

3 of the 61 Clean Water Act discharge permits in hydrologic subbasin 10120203 are filed as POTW. A subbasin is a watershed unit, not a political one, so it crosses state lines: this one is named on permits in SD, WY.

A cut is one value of one dimension of a subbasin — POTW, under program. This page holds the permits in subbasin 10120203 that carry that value: 3 of the 61 the subbasin holds, and the 5 other cuts of the subbasin are listed at the foot of the page, each with its own count.

Where the subbasin lies

Other cuts of subbasin 10120203

Every discharge permit in subbasin 10120203 →

Figures from EPA’s ICIS-NPDES download.

What this page shows

This page from the EPA NPDES register covers Clean Water Act discharge permits in watershed 10120203 by the program they are issued under. It lists 3 POTW permits on this page, out of 61 permits in the whole watershed across all cuts. Of the permits in the whole watershed, 55 are located in SD and 6 are located in WY.