Station EHSC1 - North Marsh, Elkhorn Slough Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
36.835 N 121.738 W (36°50'5" N 121°44'18" 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): | 3.6 ft |
 Ocean Temperature (OTMP): | 56.30 °F |
| Conductivity (COND): | 50.34 mS/cm |
| Salinity (SAL): | 33.00 psu |
| Oxygen Saturation (O2PCT): | 96.8% |
| Oxygen Concentration (O2PPM): | 8.20 ppm |
| Turbidity (TURB): | 2 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-15 11:45 am | 3.6 | 56.30 | 50.38 | 33.00 | 96.70 | 8.20 | - | 2 | 8.00 | - |
| 2026-02-15 11:30 am | 3.6 | 56.30 | 50.40 | 33.00 | 95.10 | 8.10 | - | 2 | 8.00 | - |
| 2026-02-15 11:15 am | 3.6 | 56.30 | 50.41 | 33.00 | 94.60 | 8.00 | - | 2 | 8.00 | - |
| 2026-02-15 11:00 am | 3.6 | 56.30 | 50.42 | 33.00 | 93.70 | 8.00 | - | 2 | 8.00 | - |
| 2026-02-15 10:45 am | 3.6 | 56.30 | 50.42 | 33.00 | 92.80 | 7.90 | - | 2 | 8.00 | - |
| 2026-02-15 10:30 am | 3.6 | - | 50.38 | 33.00 | 91.20 | 7.80 | - | 2 | 8.00 | - |
| 2026-02-15 10:15 am | 3.6 | 56.12 | 50.36 | 33.00 | 91.30 | 7.80 | - | 2 | 8.00 | - |
| 2026-02-15 10:00 am | 3.6 | 56.12 | 50.30 | 32.90 | 89.70 | 7.60 | - | 2 | 8.00 | - |
| 2026-02-15 09:45 am | 3.6 | 56.12 | 50.26 | 32.90 | 89.90 | 7.70 | - | 129 | 8.00 | - |
| 2026-02-15 09:30 am | 3.6 | 55.94 | 50.21 | 32.90 | 88.20 | 7.50 | - | 3 | 8.00 | - |
| 2026-02-15 09:15 am | 3.6 | 55.76 | 50.13 | 32.80 | 86.10 | 7.40 | - | 2 | 7.90 | - |
| 2026-02-15 09:00 am | 3.6 | 55.58 | 50.05 | 32.70 | 83.50 | 7.20 | - | 2 | 7.90 | - |
| 2026-02-15 08:45 am | 3.6 | 55.40 | 50.01 | 32.70 | 80.70 | 6.90 | - | 2 | 7.90 | - |
| 2026-02-15 08:30 am | 3.6 | 55.40 | 50.00 | 32.70 | 79.70 | 6.90 | - | 2 | 7.90 | - |
| 2026-02-15 08:15 am | 3.6 | 55.40 | 49.97 | 32.70 | 78.60 | 6.80 | - | 2 | 7.90 | - |
| 2026-02-15 08:00 am | 3.6 | 55.40 | 49.95 | 32.70 | 77.80 | 6.70 | - | 3 | 7.90 | - |
| 2026-02-15 07:45 am | 3.6 | 55.40 | 49.93 | 32.70 | 74.20 | 6.40 | - | 2 | 7.90 | - |
| 2026-02-15 07:30 am | 3.6 | 55.40 | 49.90 | 32.60 | 75.90 | 6.50 | - | 3 | 7.90 | - |
| 2026-02-15 07:15 am | 3.6 | 55.40 | 49.87 | 32.60 | 75.60 | 6.50 | - | 2 | 7.90 | - |
| 2026-02-15 07:00 am | 3.6 | 55.58 | 49.84 | 32.60 | 74.80 | 6.40 | - | 3 | 7.90 | - |
| 2026-02-15 06:45 am | 3.6 | 55.58 | 49.83 | 32.60 | 76.20 | 6.50 | - | 3 | 7.90 | - |
| 2026-02-15 06:30 am | 3.6 | 55.76 | 49.81 | 32.60 | 76.40 | 6.50 | - | 3 | 7.90 | - |
| 2026-02-15 06:15 am | 3.6 | 55.76 | 49.79 | 32.60 | 74.80 | 6.40 | - | 2 | 7.90 | - |
| 2026-02-15 06:00 am | 3.6 | 55.76 | 49.78 | 32.50 | 76.40 | 6.50 | - | 2 | 7.90 | - |
| 2026-02-15 05:45 am | 3.6 | 55.76 | 49.75 | 32.50 | 74.50 | 6.40 | - | 2 | 7.90 | - |
| 2026-02-15 05:30 am | 3.6 | 55.76 | 49.72 | 32.50 | 72.60 | 6.20 | - | 3 | 8.00 | - |
| 2026-02-15 05:15 am | 3.6 | 55.76 | 49.69 | 32.50 | 72.10 | 6.20 | - | 2 | 8.00 | - |
| 2026-02-15 05:00 am | 3.6 | 55.94 | 49.69 | 32.50 | 73.70 | 6.30 | - | 2 | 8.00 | - |
| 2026-02-15 04:45 am | 3.3 | 56.12 | 49.72 | 32.50 | 78.90 | 6.70 | - | 2 | 8.00 | - |
| 2026-02-15 04:30 am | 3.3 | 56.30 | 49.77 | 32.60 | 81.20 | 6.90 | - | 2 | 8.00 | - |
| 2026-02-15 04:15 am | 3.3 | 56.48 | 49.81 | 32.60 | 81.70 | 6.90 | - | 2 | 8.00 | - |
| 2026-02-15 04:00 am | 3.3 | 56.48 | 49.81 | 32.60 | 82.60 | 7.00 | - | 2 | 8.10 | - |
| 2026-02-15 03:45 am | 3.3 | 56.48 | 49.81 | 32.60 | 77.40 | 6.60 | - | 2 | 8.00 | - |
| 2026-02-15 03:30 am | 3.3 | 56.48 | 49.82 | 32.60 | 75.30 | 6.40 | - | 3 | 8.00 | - |
| 2026-02-15 03:15 am | 3.3 | 56.48 | 49.81 | 32.60 | 75.60 | 6.40 | - | 2 | 8.00 | - |
| 2026-02-15 03:00 am | 3.3 | 56.48 | 49.81 | 32.60 | 76.60 | 6.50 | - | 2 | 8.10 | - |
| 2026-02-15 02:45 am | 3.6 | 56.66 | 49.81 | 32.60 | 78.20 | 6.60 | - | 2 | 8.00 | - |
| 2026-02-15 02:30 am | 3.6 | 56.66 | 49.81 | 32.60 | 84.70 | 7.20 | - | 2 | 8.00 | - |
| 2026-02-15 02:15 am | 3.3 | 56.66 | 49.80 | 32.60 | 81.00 | 6.90 | - | 2 | 8.10 | - |
| 2026-02-15 02:00 am | 3.3 | 56.66 | 49.80 | 32.60 | 85.60 | 7.30 | - | 3 | 8.10 | - |
| 2026-02-15 01:45 am | 3.3 | 56.66 | 49.80 | 32.60 | 84.80 | 7.20 | - | 2 | 8.10 | - |
| 2026-02-15 01:30 am | 3.3 | 56.66 | 49.80 | 32.60 | 88.80 | 7.50 | - | 2 | 8.10 | - |
| 2026-02-15 01:15 am | 3.3 | 56.84 | 49.79 | 32.60 | 89.00 | 7.50 | - | 3 | 8.10 | - |
| 2026-02-15 01:00 am | 3.3 | 56.84 | 49.78 | 32.60 | 91.40 | 7.70 | - | 2 | 8.10 | - |
| 2026-02-15 12:45 am | 3.3 | 56.84 | 49.77 | 32.60 | 91.40 | 7.70 | - | 2 | 8.20 | - |
| 2026-02-15 12:30 am | 3.3 | 57.02 | 49.75 | 32.60 | 97.20 | 8.20 | - | 2 | 8.20 | - |
| 2026-02-15 12:15 am | 3.3 | 57.02 | 49.73 | 32.50 | 98.10 | 8.30 | - | 3 | 8.20 | - |
| 2026-02-15 12:00 am | 3.3 | 57.02 | 49.71 | 32.50 | 100.70 | 8.50 | - | 3 | 8.20 | - |
| 2026-02-14 11:45 pm | 3.3 | 57.02 | 49.69 | 32.50 | 102.60 | 8.70 | - | 3 | 8.20 | - |
| 2026-02-14 11:30 pm | 3.3 | 57.02 | 49.66 | 32.50 | 103.80 | 8.80 | - | 3 | 8.30 | - |
| 2026-02-14 11:15 pm | 3.3 | 57.02 | 49.63 | 32.50 | 105.40 | 8.90 | - | 3 | 8.30 | - |
| 2026-02-14 11:00 pm | 3.3 | 57.20 | 49.61 | 32.50 | 109.60 | 9.30 | - | 3 | 8.30 | - |
| 2026-02-14 10:45 pm | 3.3 | 57.20 | 49.58 | 32.40 | 112.60 | 9.50 | - | 3 | 8.30 | - |
| 2026-02-14 10:30 pm | 3.3 | 57.20 | 49.55 | 32.40 | 115.00 | 9.70 | - | 4 | 8.40 | - |
| 2026-02-14 10:15 pm | 3.3 | 57.20 | 49.49 | 32.40 | 117.00 | 9.90 | - | 4 | 8.40 | - |
| 2026-02-14 10:00 pm | 3.3 | 57.38 | 49.51 | 32.40 | 120.40 | 10.10 | - | 3 | 8.40 | - |
| 2026-02-14 09:45 pm | 3.3 | 57.56 | 49.52 | 32.40 | 126.10 | 10.60 | - | 3 | 8.50 | - |
| 2026-02-14 09:30 pm | 3.3 | 57.74 | 49.57 | 32.40 | 131.90 | 11.10 | - | 4 | 8.50 | - |
| 2026-02-14 09:15 pm | 3.3 | 57.74 | 49.68 | 32.50 | 138.90 | 11.60 | - | 4 | 8.60 | - |
| 2026-02-14 09:00 pm | 3.3 | 57.92 | 49.78 | 32.60 | 145.30 | 12.20 | - | 4 | 8.60 | - |
| 2026-02-14 08:45 pm | 3.3 | 57.92 | 50.05 | 32.80 | 158.60 | 13.30 | - | 4 | 8.80 | - |
| 2026-02-14 08:30 pm | 3.3 | 57.74 | 50.23 | 32.90 | 167.40 | 14.00 | - | 4 | 8.80 | - |
| 2026-02-14 08:15 pm | 3.3 | 57.74 | 50.16 | 32.90 | 174.50 | 14.60 | - | 4 | 8.80 | - |
| 2026-02-14 08:00 pm | 3.3 | 57.74 | 50.19 | 32.90 | 160.50 | 13.40 | - | 3 | 8.80 | - |
| 2026-02-14 07:45 pm | 3.3 | 57.74 | 50.40 | 33.00 | 150.10 | 12.50 | - | 2 | 8.80 | - |
| 2026-02-14 07:30 pm | 3.3 | 57.92 | 50.46 | 33.10 | 157.00 | 13.10 | - | 3 | 8.80 | - |
| 2026-02-14 07:15 pm | 3.3 | 57.92 | 50.39 | 33.00 | 158.40 | 13.20 | - | 3 | 8.80 | - |
| 2026-02-14 07:00 pm | 3.3 | 58.10 | 50.32 | 33.00 | 164.30 | 13.70 | - | 3 | 8.80 | - |
| 2026-02-14 06:45 pm | 3.3 | 58.10 | 50.32 | 33.00 | 167.10 | 13.90 | - | 4 | 8.80 | - |
| 2026-02-14 06:30 pm | 3.3 | 58.28 | 50.31 | 33.00 | 172.10 | 14.30 | - | 4 | 8.80 | - |
| 2026-02-14 06:15 pm | 3.3 | 58.46 | 50.29 | 33.00 | 177.00 | 14.70 | - | 5 | 8.80 | - |
| 2026-02-14 06:00 pm | 3.3 | 58.64 | 50.29 | 33.00 | 182.90 | 15.10 | - | 4 | 8.80 | - |
| 2026-02-14 05:45 pm | 3.3 | 58.82 | 50.26 | 33.00 | 188.60 | 15.60 | - | 5 | 8.80 | - |
| 2026-02-14 05:30 pm | 3.3 | 59.00 | 50.25 | 32.90 | 194.00 | 16.00 | - | 4 | 8.80 | - |
| 2026-02-14 05:15 pm | 3.3 | 59.18 | 50.22 | 32.90 | - | - | - | 4 | 8.80 | - |
| 2026-02-14 05:00 pm | 3.3 | 59.36 | 50.19 | 32.90 | - | - | - | 3 | 8.80 | - |
| 2026-02-14 04:45 pm | 3.3 | 59.54 | 50.16 | 32.90 | - | - | - | 4 | 8.70 | - |
| 2026-02-14 04:30 pm | 3.3 | 59.72 | 50.13 | 32.90 | - | - | - | 4 | 8.70 | - |
| 2026-02-14 04:15 pm | 3.3 | 59.72 | 50.10 | 32.80 | - | - | - | 4 | 8.70 | - |
| 2026-02-14 04:00 pm | 3.6 | 59.72 | 50.06 | 32.80 | - | - | - | 3 | 8.70 | - |
| 2026-02-14 03:45 pm | 3.6 | 59.90 | 50.02 | 32.80 | - | - | - | 4 | 8.60 | - |
| 2026-02-14 03:30 pm | 3.6 | 59.90 | 49.97 | 32.80 | - | - | - | 4 | 8.60 | - |
| 2026-02-14 03:15 pm | 3.6 | 60.08 | 49.93 | 32.70 | 196.20 | 16.00 | - | 3 | 8.50 | - |
| 2026-02-14 03:00 pm | 3.6 | 59.90 | 49.91 | 32.70 | 192.80 | 15.70 | - | 4 | 8.50 | - |
| 2026-02-14 02:45 pm | 3.6 | 59.90 | 49.90 | 32.70 | 190.10 | 15.50 | - | 4 | 8.50 | - |
| 2026-02-14 02:30 pm | 3.6 | 59.72 | 49.88 | 32.70 | 187.10 | 15.30 | - | 4 | 8.50 | - |
| 2026-02-14 02:15 pm | 3.6 | 59.72 | 49.88 | 32.70 | 181.40 | 14.90 | - | 3 | 8.40 | - |
| 2026-02-14 02:00 pm | 3.6 | 59.72 | 49.88 | 32.70 | 174.10 | 14.30 | - | 3 | 8.40 | - |
| 2026-02-14 01:45 pm | 3.6 | 59.54 | 49.89 | 32.70 | 168.90 | 13.90 | - | 3 | 8.30 | - |
| 2026-02-14 01:30 pm | 3.6 | 59.36 | 49.93 | 32.70 | 159.60 | 13.10 | - | 3 | 8.30 | - |
| 2026-02-14 01:15 pm | 3.6 | 58.82 | 49.97 | 32.70 | 146.80 | 12.10 | - | 3 | 8.20 | - |
| 2026-02-14 01:00 pm | 3.6 | 58.28 | 50.01 | 32.80 | 132.50 | 11.00 | - | 2 | 8.20 | - |
Historical data for station EHSC1 are available at the NERRS website.
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