Velarion Records
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Watershed · by permit type

General permit coverage discharge permits in subbasin 10030201

17 of the 18 Clean Water Act discharge permits in hydrologic subbasin 10030201 are filed as General permit coverage. A subbasin is a watershed unit, not a political one, so it crosses state lines: this one is named on permits in MT.

A cut is one value of one dimension of a subbasin — General permit coverage, under permit type. This page holds the permits in subbasin 10030201 that carry that value: 17 of the 18 the subbasin holds, and the 3 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 10030201

Every discharge permit in subbasin 10030201 →

Figures from EPA’s ICIS-NPDES download.

What this page shows

This page covers Clean Water Act discharge permits in watershed 10030201, listed under General permit coverage. It shows 17 permits on this page by permit type. The whole watershed located in MT has 18 permits.