| Regional Board 7 - Colorado River Basin Region | CATEGORY 4A | Final 2018 Integrated Report (CWA Section 303(d) List / 305(b) Report) |
| 2018 CALIFORNIA LIST OF WATER QUALITY LIMITED SEGMENTS | ||
| BEING ADDRESSED BY USEPA APPROVED TMDLS | ||
| Category 4A Criteria: 1) A water segment where ALL its 303(d) listings are being addressed; and 2) at least one of those listings is being addressed by a USEPA approved TMDL. |
| * USGS HUC = US Geological Survey Hydrologic Unit Code. Calwater = State Water Resources Control Board hydrological subunit area or even smaller planning watershed. |
| ** "Addressed By" is defined as: B = Being addressed by USEPA approved TMDL and C = Being addressed by action(s) other than a TMDL |
| REGION | WATER BODY NAME | WATER TYPE |
WATERSHED* CALWATER / USGS HUC |
|
ESTIMATED AREA ASSESSED | FIRST YEAR LISTED | ADDRESSED BY** | USEPA TMDL APPROVAL DATE |