Velarion Records
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Watershed · by program

Storm Water Construction discharge permits in subbasin 04040001

469 of the 647 Clean Water Act discharge permits in hydrologic subbasin 04040001 are filed as Storm Water Construction. A subbasin is a watershed unit, not a political one, so it crosses state lines: this one is named on permits in IN, IL, MI.

A cut is one value of one dimension of a subbasin — Storm Water Construction, under program. This page holds the permits in subbasin 04040001 that carry that value: 469 of the 647 the subbasin holds, and the 9 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 04040001

Every discharge permit in subbasin 04040001 →

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 04040001 for the Storm Water Construction program. It lists 469 permits on this page, out of 647 permits in the whole watershed. Of the whole-watershed permits, 609 are located in IN, 26 in IL and 12 in MI.