| Location | Date | pH | water_temperature | air_temperature | turbidity | dissolved_oxygen | nitrates | phosphates | conductivity |
|---|---|---|---|---|---|---|---|---|---|
| Petaluma Hill Road | 2005-11-20 | 7 | 12.5 | 310 | |||||
| Petaluma Hill Road | 2015-03-08 | 7 | 14 | 420 | |||||
| Petaluma Hill Road | 2007-02-25 | 6.5 | 10 | 170 | |||||
| Petaluma Hill Road | 2005-12-04 | 7 | 9.5 | 450 |