Marin County: Established sites where information is needed on flow conditions
Click on the Site ID Code to map the location using Google Maps.
Hi-light and copy the Site ID Code for your site and paste it into the flow submission form.
Disclaimer: some of these sites may be on private property. Unless a site is clearly on public property, only make observations from a public right-of-way (e.g. road).
| Stream | Site ID Code | Location | Latitude | Longitude |
| Halleck Creek | 201LAG150 | At Nicasio Valley Road | 38.06669 | -122.70264 |
| Nicaiso Creek | 201LAG160 | Downtown Nicasio, Road to the Ranches Bridge | 38.06156 | -122.69978 |
| Cheda Creek | 201LAG180 | At Sir Francis Drake Blvd., north of Jewel | 38.03722 | -122.74611 |
| San Geronimo Creek | 201LAG270 | At Creamery Road | 38.01356 | -122.66664 |
| San Geronimo Creek | 201LAG290 | San Geronimo Valley Road near MMWD treatment plant | 38.01306 | -122.65056 |
| Redwood Creek | 201LAG300 | San Geronimo Valley Road near Redwood Drive | 38.01275 | -122.64689 |
| Big Carson Creek | 201LAG330 | Confluence upstream of Pine Mountain F.R., south fork | 37.99206 | -122.66022 |
| Big Carson Creek Trib | 201LAG335 | Confluence upstream of Pine Mountain F.R., north fork | 37.99206 | -122.66022 |
| Little Carson Creek | 201LAG380 | Bottom of Little Carson Trail at Kent Pump Rd. | 37.96722 | -122.64944 |
| Cataract Creek | 201LAG390 | Above Alpine Lake, Cataract Tr. near Helen Markt Tr. | 37.93250 | -122.63556 |
| Green Gulch | 201RDW040 | Dirt road from Pacific Way just south of Highway 1 | 37.86306 | -122.57202 |
| Tennessee Valley | 201TVY030 | ~1000 ft. down Tennessee Valley Tr. past split from Rd. | 37.84844 | -122.54265 |
| Keyes Creek | 201WLK030 | Upstream of Highway 1, south of Tomales-Petaluma Rd. | 38.24111 | -122.90431 |
| Keyes Creek | 201WLK050 | West of Irvin Road | 38.24353 | -122.89806 |
| Chileno Creek | 201WLK130 | At Chileno Valley Road | 38.20639 | -122.76975 |
| Arroyo Sausal Creek | 201WLK240 | At Pt. Reyes Petaluma Road | 38.13589 | -122.70914 |