The Colorado Division of Water Resources gauge is South Boulder Creek at Pinecliffe
| When | River/Gauge | Subject | Level | Reporter |
|---|---|---|---|---|
| 4y169d00h37m | Boulder Creek, South [CO] |
AltoAlto Upper South Boulder |
375 | Craig Irwin |
| 4y173d00h37m | Upper South Boulder Creek [Co] |
After the Island Turn Rapid |
425 | Craig Irwin |
| 4y173d00h37m | South Boulder Creek [CO] |
typical colorado |
375 | Craig Irwin |
| 7y241d00h37m | Upper Upper South Boulder Creek [CO] |
Lower Alto Alto - SBC, CO |
165 cfs | Jamie Elsasser |