Station ELQC1 - South Marsh, Elkhorn Slough Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
36.818 N 121.739 W (36°49'5" N 121°44'22" W)
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These oceanographic data are displayed in rounded times. Click on the graph icon in the table below to see a time series plot of the last five days of that observation. | |
| Depth (DEPTH): | 6.2 ft |
 Ocean Temperature (OTMP): | 53.78 °F |
| Conductivity (COND): | 49.08 mS/cm |
| Salinity (SAL): | 32.00 psu |
| Oxygen Saturation (O2PCT): | 90.5% |
| Oxygen Concentration (O2PPM): | 8.00 ppm |
| Turbidity (TURB): | 4 FTU |
| pH (PH): | 8.00 |
| TIME (PST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-03 07:00 am | 5.9 | 53.78 | 49.06 | 32.00 | 90.70 | 8.00 | - | 5 | 8.00 | - |
| 2026-01-03 06:45 am | 5.6 | 53.78 | 49.00 | 31.90 | 90.70 | 8.00 | - | 8 | 8.00 | - |
| 2026-01-03 06:30 am | 5.6 | 53.96 | 49.06 | 32.00 | 91.30 | 8.00 | - | 5 | 8.00 | - |
| 2026-01-03 06:15 am | 5.2 | 53.96 | 49.00 | 31.90 | 91.20 | 8.00 | - | 5 | 8.00 | - |
| 2026-01-03 06:00 am | 5.2 | 53.78 | 48.89 | 31.90 | 91.00 | 8.00 | - | 8 | 8.00 | - |
| 2026-01-03 05:45 am | 4.9 | 53.60 | 48.79 | 31.80 | 90.90 | 8.00 | - | 7 | 8.00 | - |
| 2026-01-03 05:30 am | 4.6 | 53.60 | 48.76 | 31.80 | 90.80 | 8.00 | - | 8 | 8.00 | - |
| 2026-01-03 05:15 am | 4.6 | 53.60 | 48.71 | 31.70 | 90.80 | 8.00 | - | 13 | 8.00 | - |
| 2026-01-03 05:00 am | 4.3 | 53.42 | 48.58 | 31.60 | 90.50 | 8.00 | - | 6 | 8.00 | - |
| 2026-01-03 04:45 am | 4.3 | 53.42 | 48.56 | 31.60 | 91.30 | 8.10 | - | 5 | 8.00 | - |
| 2026-01-03 04:30 am | 4.3 | 53.24 | 48.51 | 31.60 | 90.20 | 8.00 | - | 5 | 8.00 | - |
| 2026-01-03 04:15 am | 3.9 | 53.42 | 48.52 | 31.60 | 89.40 | 7.90 | - | 5 | 8.00 | - |
| 2026-01-03 04:00 am | 3.9 | 53.42 | 48.51 | 31.60 | 89.70 | 7.90 | - | 4 | 8.00 | - |
| 2026-01-03 03:45 am | 3.9 | 53.42 | 48.51 | 31.60 | 89.80 | 8.00 | - | 5 | 8.00 | - |
| 2026-01-03 03:30 am | 3.9 | 53.42 | 48.45 | 31.50 | 89.30 | 7.90 | - | 4 | 8.00 | - |
| 2026-01-03 03:15 am | 3.9 | 53.24 | 48.31 | 31.40 | 91.00 | 8.10 | - | 4 | 8.00 | - |
| 2026-01-03 03:00 am | 3.9 | 53.24 | 48.31 | 31.40 | 92.90 | 8.30 | - | 4 | 8.00 | - |
| 2026-01-03 02:45 am | 3.9 | 53.24 | 48.31 | 31.40 | 93.00 | 8.30 | - | 4 | 8.00 | - |
| 2026-01-03 02:30 am | 3.9 | 53.42 | 48.34 | 31.40 | 93.50 | 8.30 | - | 4 | 8.00 | - |
| 2026-01-03 02:15 am | 3.9 | 53.42 | 48.34 | 31.50 | 93.40 | 8.30 | - | 4 | 8.00 | - |
| 2026-01-03 02:00 am | 4.3 | 53.42 | 48.44 | 31.50 | 93.70 | 8.30 | - | 4 | 8.00 | - |
| 2026-01-03 01:45 am | 4.3 | 53.42 | 48.44 | 31.50 | 93.70 | 8.30 | - | 4 | 8.00 | - |
| 2026-01-03 01:30 am | 4.3 | 53.60 | 48.53 | 31.60 | 93.80 | 8.30 | - | 4 | 8.00 | - |
| 2026-01-03 01:15 am | 4.6 | 53.60 | 48.48 | 31.60 | 94.10 | 8.30 | - | 5 | 8.00 | - |
| 2026-01-03 01:00 am | 4.6 | 53.78 | 48.76 | 31.80 | 93.50 | 8.20 | - | 4 | 8.00 | - |
| 2026-01-03 12:45 am | 4.6 | 53.96 | 48.89 | 31.90 | 94.30 | 8.30 | - | 4 | 8.00 | - |
| 2026-01-03 12:30 am | 4.9 | 53.96 | 48.92 | 31.90 | 94.60 | 8.30 | - | 5 | 8.00 | - |
| 2026-01-03 12:15 am | 4.9 | 53.96 | 49.02 | 32.00 | 95.30 | 8.40 | - | 5 | 8.00 | - |
| 2026-01-03 12:00 am | 4.9 | 54.14 | 49.20 | 32.10 | 96.10 | 8.40 | - | 5 | 8.00 | - |
| 2026-01-02 11:45 pm | 4.9 | 54.14 | 49.21 | 32.10 | 95.30 | 8.30 | - | 4 | 8.00 | - |
| 2026-01-02 11:30 pm | 4.9 | 54.14 | 49.13 | 32.00 | 96.30 | 8.40 | - | 6 | 8.00 | - |
| 2026-01-02 11:15 pm | 4.9 | 54.14 | 49.20 | 32.10 | 96.60 | 8.50 | - | 7 | 8.00 | - |
| 2026-01-02 11:00 pm | 4.9 | 54.14 | 49.17 | 32.10 | 96.70 | 8.50 | - | 7 | 8.00 | - |
| 2026-01-02 10:45 pm | 4.9 | 54.14 | 49.12 | 32.00 | 96.80 | 8.50 | - | 8 | 8.00 | - |
| 2026-01-02 10:30 pm | 4.6 | 53.96 | 49.10 | 32.00 | 96.90 | 8.50 | - | 8 | 8.00 | - |
| 2026-01-02 10:15 pm | 4.6 | 53.96 | 48.99 | 31.90 | 97.00 | 8.50 | - | 8 | 8.00 | - |
| 2026-01-02 10:00 pm | 4.3 | 53.60 | 48.67 | 31.70 | 96.80 | 8.50 | - | 10 | 8.00 | - |
| 2026-01-02 09:45 pm | 3.9 | 53.42 | 48.45 | 31.50 | 97.10 | 8.60 | - | 9 | 8.00 | - |
| 2026-01-02 09:30 pm | 3.9 | 53.42 | 48.41 | 31.50 | 97.90 | 8.70 | - | 10 | 8.00 | - |
| 2026-01-02 09:15 pm | 3.6 | 53.42 | 48.43 | 31.50 | 98.30 | 8.70 | - | 8 | 8.00 | - |
| 2026-01-02 09:00 pm | 3.3 | 53.42 | 48.44 | 31.50 | 98.40 | 8.70 | - | 8 | 8.00 | - |
| 2026-01-02 08:45 pm | 3.3 | 53.42 | 48.39 | 31.50 | 98.80 | 8.80 | - | 7 | 8.00 | - |
| 2026-01-02 08:30 pm | 3.0 | 53.42 | 48.33 | 31.40 | 99.30 | 8.80 | - | 11 | 8.00 | - |
| 2026-01-02 08:15 pm | 2.6 | 53.42 | 48.26 | 31.40 | 99.70 | 8.80 | - | 9 | 8.00 | - |
| 2026-01-02 08:00 pm | 2.3 | 53.42 | 48.23 | 31.40 | 100.30 | 8.90 | - | 8 | 8.00 | - |
| 2026-01-02 07:45 pm | 2.3 | 53.42 | 48.25 | 31.40 | 101.50 | 9.00 | - | 8 | 8.00 | - |
| 2026-01-02 07:30 pm | 2.0 | 53.42 | 48.47 | 31.50 | 102.90 | 9.10 | - | 9 | 8.00 | - |
| 2026-01-02 07:15 pm | 1.6 | 53.42 | 48.58 | 31.60 | 103.80 | 9.20 | - | 11 | 8.00 | - |
| 2026-01-02 07:00 pm | 1.3 | 53.42 | 48.61 | 31.60 | 104.10 | 9.20 | - | 9 | 8.00 | - |
| 2026-01-02 06:45 pm | 1.0 | 53.42 | 48.61 | 31.60 | 105.50 | 9.30 | - | 9 | 8.00 | - |
| 2026-01-02 06:30 pm | 0.7 | 53.42 | 48.56 | 31.60 | 105.20 | 9.30 | - | 10 | 8.00 | - |
| 2026-01-02 06:15 pm | 0.3 | 53.42 | 48.50 | 31.60 | 105.60 | 9.40 | - | 12 | 8.00 | - |
| 2026-01-02 06:00 pm | 0.3 | 53.42 | 48.51 | 31.60 | 106.90 | 9.50 | - | 12 | 8.10 | - |
| 2026-01-02 03:00 pm | 0.3 | 53.24 | 48.48 | 31.50 | 107.10 | 9.50 | - | 11 | 8.00 | - |
| 2026-01-02 02:45 pm | 1.0 | 53.06 | 48.51 | 31.60 | 104.30 | 9.30 | - | 8 | 8.00 | - |
| 2026-01-02 02:30 pm | 1.6 | 53.06 | 48.56 | 31.60 | 102.50 | 9.10 | - | 10 | 8.00 | - |
| 2026-01-02 02:15 pm | 2.3 | 53.06 | 48.58 | 31.60 | 101.00 | 9.00 | - | 6 | 8.00 | - |
| 2026-01-02 02:00 pm | 2.6 | 53.06 | 48.56 | 31.60 | 100.90 | 9.00 | - | 5 | 8.00 | - |
| 2026-01-02 01:45 pm | 3.0 | 53.06 | 48.58 | 31.60 | 99.80 | 8.90 | - | 4 | 8.00 | - |
| 2026-01-02 01:30 pm | 3.3 | 53.06 | 48.65 | 31.70 | 98.70 | 8.80 | - | 4 | 8.00 | - |
| 2026-01-02 01:15 pm | 3.6 | 52.88 | 48.61 | 31.60 | 95.90 | 8.60 | - | 3 | 8.00 | - |
| 2026-01-02 01:00 pm | 3.9 | 52.88 | 48.65 | 31.70 | 94.50 | 8.40 | - | 3 | 8.00 | - |
| 2026-01-02 12:45 pm | 4.6 | 53.06 | 48.83 | 31.80 | 95.00 | 8.40 | - | 3 | 8.00 | - |
| 2026-01-02 12:30 pm | 4.6 | 52.88 | 48.81 | 31.80 | 93.50 | 8.30 | - | 3 | 8.00 | - |
| 2026-01-02 12:15 pm | 5.2 | 52.70 | 48.70 | 31.70 | 91.70 | 8.20 | - | 2 | 7.90 | - |
| 2026-01-02 12:00 pm | 5.2 | 52.88 | 48.84 | 31.80 | 93.50 | 8.30 | - | 2 | 8.00 | - |
| 2026-01-02 11:45 am | 5.6 | 52.88 | 48.97 | 31.90 | 92.60 | 8.20 | - | 2 | 8.00 | - |
| 2026-01-02 11:30 am | 5.9 | 53.06 | 49.05 | 32.00 | 93.30 | 8.30 | - | 2 | 8.00 | - |
| 2026-01-02 11:15 am | 6.2 | 53.06 | 49.08 | 32.00 | 93.00 | 8.30 | - | 2 | 8.00 | - |
| 2026-01-02 11:00 am | 6.6 | 53.06 | 49.28 | 32.10 | 90.90 | 8.10 | - | 2 | 8.00 | - |
| 2026-01-02 10:45 am | 6.6 | 53.24 | 49.42 | 32.20 | 90.90 | 8.00 | - | 2 | 8.00 | - |
| 2026-01-02 10:30 am | 6.9 | 53.24 | 49.47 | 32.30 | 90.10 | 8.00 | - | 2 | 8.00 | - |
| 2026-01-02 10:15 am | 6.9 | 53.42 | 49.52 | 32.30 | 89.80 | 7.90 | - | 2 | 8.00 | - |
| 2026-01-02 10:00 am | 7.2 | 53.42 | 49.55 | 32.30 | 89.40 | 7.90 | - | 2 | 8.00 | - |
| 2026-01-02 09:45 am | 7.2 | 53.96 | 49.92 | 32.60 | 93.30 | 8.20 | - | 5 | 8.00 | - |
| 2026-01-02 09:30 am | 7.2 | 53.96 | 49.91 | 32.60 | 92.80 | 8.10 | - | 4 | 8.00 | - |
| 2026-01-02 09:15 am | 7.2 | 53.78 | 49.83 | 32.50 | 92.60 | 8.10 | - | 3 | 8.00 | - |
| 2026-01-02 09:00 am | 7.2 | 53.60 | 49.73 | 32.50 | 92.70 | 8.10 | - | 3 | 8.00 | - |
| 2026-01-02 08:45 am | 7.2 | 53.42 | 49.61 | 32.40 | 91.10 | 8.00 | - | 2 | 8.00 | - |
| 2026-01-02 08:30 am | 7.2 | 53.24 | 49.46 | 32.30 | 89.10 | 7.90 | - | 2 | 8.00 | - |
| 2026-01-02 08:15 am | 7.2 | 53.24 | 49.45 | 32.30 | 90.10 | 8.00 | - | 3 | 8.00 | - |
| 2026-01-02 08:00 am | 7.2 | 53.24 | 49.48 | 32.30 | 90.20 | 8.00 | - | 3 | 8.00 | - |
Historical data for station ELQC1 are available at the NERRS website.
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