| WALNUT CREEK |
| below Puddingstone Dam |
| STATION NO. F40-R |
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| RECORDER: Continuous water stage. |
| METHOD OF MEASUREMENT: Wading or from cable car. |
| DRAINAGE AREA: 33.2 square miles. |
| LOCATION: On the right (east) bank about 1000 feet below Puddingstone Dam near San Dimas. Elevation of zero gage height is 824.90 feet. |
| REGULATION: Flow regulated by Puddingstone Dam. |
| DIVERSION: San Dimas Water Company diverts outflow from the dam above the station and also releases water to Puddingstone Diversion channel at Juanita Street station, F307-R, for purchase by Los Angeles County Parks and Recreation Department. |
| CHANNEL: Sand and gravel. |
| CONTROL: Concrete stabilizer. |
| LENGTH OF RECORD: October 1, 1931 to date. |
| REMARKS: |
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