Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1441957
| CA | Butte | Mouth of the slough leading into the boat ramp just upstream from the Washout (Chico Landing site) on the Sacramento River. | 1987 |
18020157
| Big Chico Creek-Sacramento River | established |
1442099
| CA | Butte | Sacramento River sandbar, ca. 5 mi w of Chico. | 1979 |
18020157
| Big Chico Creek-Sacramento River | established |
1441958
| CA | Butte | Upper Bidwell Park, Chico, ca. 0.1 mi e of the end of the pavement on Upper Park Rd. Along the edge of Chico Creek. | 1983 |
18020157
| Big Chico Creek-Sacramento River | established |