Station EVMC1 - Vierra Mouth, Elkhorn Slough Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
Water Quality Station
36.811 N 121.779 W (36°48'40" N 121°46'45" W)
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(24 hours for tsunami stations)
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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): | 1.0 ft |
 Ocean Temperature (OTMP): | 61.16 °F |
| Conductivity (COND): | 49.71 mS/cm |
| Salinity (SAL): | 32.60 psu |
| Oxygen Saturation (O2PCT): | 72.2% |
| Oxygen Concentration (O2PPM): | 5.80 ppm |
| Turbidity (TURB): | 3 FTU |
| pH (PH): | 7.90 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-04-14 02:45 pm | 1.0 | 61.34 | 49.74 | 32.60 | 77.40 | 6.20 | - | 3 | 7.90 | - |
| 2026-04-14 02:30 pm | 1.0 | 61.34 | 49.73 | 32.60 | 84.00 | 6.80 | - | 2 | 7.90 | - |
| 2026-04-14 02:15 pm | 1.3 | 61.16 | 49.72 | 32.60 | 89.10 | 7.20 | - | 3 | 8.00 | - |
| 2026-04-14 02:00 pm | 1.3 | 60.98 | 49.73 | 32.60 | 90.20 | 7.30 | - | 3 | 8.00 | - |
| 2026-04-14 01:45 pm | 1.6 | 60.80 | 49.74 | 32.60 | 89.90 | 7.30 | - | 3 | 8.00 | - |
| 2026-04-14 01:30 pm | 1.6 | 60.62 | 49.77 | 32.60 | 92.00 | 7.50 | - | 3 | 8.00 | - |
| 2026-04-14 01:15 pm | 2.0 | 60.26 | 49.82 | 32.60 | 92.40 | 7.50 | - | 3 | 8.00 | - |
| 2026-04-14 01:00 pm | 2.0 | 59.90 | 49.90 | 32.70 | 93.00 | 7.60 | - | 4 | 8.00 | - |
| 2026-04-14 12:45 pm | 2.3 | 59.36 | 49.99 | 32.80 | 94.20 | 7.70 | - | 4 | 8.00 | - |
| 2026-04-14 12:30 pm | 2.6 | 59.00 | 50.11 | 32.80 | 94.50 | 7.80 | - | 4 | 8.00 | - |
| 2026-04-14 12:15 pm | 2.6 | 58.46 | 50.22 | 32.90 | 94.10 | 7.80 | - | 4 | 8.00 | - |
| 2026-04-14 12:00 pm | 3.0 | 57.92 | 50.34 | 33.00 | 92.50 | 7.70 | - | 4 | 8.00 | - |
| 2026-04-14 11:45 am | 3.3 | 57.38 | 50.42 | 33.00 | 91.00 | 7.60 | - | 4 | 8.00 | - |
| 2026-04-14 11:30 am | 3.3 | 56.84 | 50.54 | 33.10 | 89.60 | 7.60 | - | 4 | 8.00 | - |
| 2026-04-14 11:15 am | 3.6 | 56.30 | 50.64 | 33.20 | 87.50 | 7.40 | - | 4 | 7.90 | - |
| 2026-04-14 11:00 am | 3.9 | 55.94 | 50.73 | 33.20 | 85.80 | 7.30 | - | 4 | 7.90 | - |
| 2026-04-14 10:45 am | 3.9 | 55.58 | 50.84 | 33.30 | 84.70 | 7.20 | - | 5 | 7.90 | - |
| 2026-04-14 10:30 am | 4.3 | 55.04 | 50.94 | 33.40 | 83.60 | 7.20 | - | 3 | 7.90 | - |
| 2026-04-14 10:15 am | 4.3 | 54.68 | 51.06 | 33.50 | 80.00 | 6.90 | - | 3 | 7.90 | - |
| 2026-04-14 10:00 am | 4.6 | 54.86 | 50.99 | 33.40 | 80.40 | 6.90 | - | 3 | 7.90 | - |
| 2026-04-14 09:45 am | 4.6 | 54.68 | 51.02 | 33.40 | 79.00 | 6.80 | - | 3 | 7.90 | - |
| 2026-04-14 09:30 am | 4.6 | 55.40 | 50.94 | 33.40 | 78.80 | 6.80 | - | 3 | 7.90 | - |
| 2026-04-14 09:15 am | 4.9 | 54.32 | 51.18 | 33.50 | 73.60 | 6.40 | - | 5 | 7.90 | - |
| 2026-04-14 09:00 am | 4.9 | 54.14 | 51.16 | 33.50 | 74.60 | 6.50 | - | 2 | 7.90 | - |
| 2026-04-14 08:45 am | 4.9 | 54.14 | 51.15 | 33.50 | 75.10 | 6.50 | - | 2 | 7.90 | - |
| 2026-04-14 08:30 am | 4.9 | 54.14 | 51.10 | 33.50 | 77.60 | 6.70 | - | 2 | 7.90 | - |
| 2026-04-14 08:15 am | 4.6 | 54.68 | 51.00 | 33.40 | 78.70 | 6.80 | - | 2 | 7.90 | - |
| 2026-04-14 08:00 am | 4.6 | 54.50 | 51.07 | 33.50 | 78.40 | 6.80 | - | 2 | 7.90 | - |
| 2026-04-14 07:45 am | 4.6 | 54.68 | 51.03 | 33.40 | 78.40 | 6.80 | - | 4 | 7.90 | - |
| 2026-04-14 07:30 am | 4.6 | 54.68 | 51.06 | 33.50 | 77.50 | 6.70 | - | 2 | 7.90 | - |
| 2026-04-14 07:15 am | 4.3 | 54.68 | 51.09 | 33.50 | 79.10 | 6.80 | - | 2 | 7.90 | - |
| 2026-04-14 07:00 am | 3.9 | 54.86 | 51.10 | 33.50 | 79.80 | 6.90 | - | 3 | 7.90 | - |
| 2026-04-14 06:45 am | 3.9 | 55.22 | 51.06 | 33.50 | 81.60 | 7.00 | - | 3 | 7.90 | - |
| 2026-04-14 06:30 am | 3.6 | 55.76 | 51.01 | 33.40 | 84.90 | 7.20 | - | 2 | 7.90 | - |
| 2026-04-14 06:15 am | 3.6 | 56.12 | 50.95 | 33.40 | 86.80 | 7.40 | - | 3 | 8.00 | - |
| 2026-04-14 06:00 am | 3.3 | 57.56 | 50.76 | 33.30 | 92.90 | 7.80 | - | 3 | 8.00 | - |
| 2026-04-14 05:45 am | 3.3 | 59.00 | 50.53 | 33.20 | 100.00 | 8.20 | - | 3 | 8.00 | - |
| 2026-04-14 05:30 am | 3.0 | 59.18 | 50.41 | 33.10 | 96.20 | 7.90 | - | 3 | 8.00 | - |
| 2026-04-14 05:15 am | 3.0 | 59.36 | 50.09 | 32.80 | 90.90 | 7.50 | - | 3 | 8.00 | - |
| 2026-04-14 05:00 am | 2.6 | 59.54 | 49.87 | 32.70 | 88.80 | 7.30 | - | 4 | 8.00 | - |
| 2026-04-14 04:45 am | 2.6 | 59.72 | 49.75 | 32.60 | 86.90 | 7.10 | - | 3 | 8.00 | - |
| 2026-04-14 04:30 am | 2.6 | 59.90 | 49.73 | 32.60 | 89.10 | 7.30 | - | 3 | 8.00 | - |
| 2026-04-14 04:15 am | 2.3 | 59.90 | 49.70 | 32.60 | 87.00 | 7.10 | - | 3 | 8.00 | - |
| 2026-04-14 04:00 am | 2.3 | 60.08 | 49.71 | 32.60 | 86.70 | 7.10 | - | 2 | 8.00 | - |
| 2026-04-14 03:45 am | 2.3 | 60.26 | 49.62 | 32.50 | 86.00 | 7.00 | - | 3 | 8.00 | - |
| 2026-04-14 03:30 am | 2.0 | 60.26 | 49.62 | 32.50 | 87.50 | 7.10 | - | 3 | 8.00 | - |
| 2026-04-14 03:15 am | 2.0 | 60.26 | 49.61 | 32.50 | 83.60 | 6.80 | - | 3 | 8.00 | - |
| 2026-04-14 03:00 am | 2.0 | 60.26 | 49.62 | 32.50 | 87.20 | 7.10 | - | 3 | 8.00 | - |
| 2026-04-14 02:45 am | 2.0 | 60.08 | 49.65 | 32.50 | 88.20 | 7.20 | - | 3 | 8.00 | - |
| 2026-04-14 02:30 am | 2.3 | 60.08 | 49.68 | 32.50 | 90.70 | 7.40 | - | 3 | 8.00 | - |
| 2026-04-14 02:15 am | 2.3 | 59.90 | 49.72 | 32.60 | 91.80 | 7.50 | - | 3 | 8.00 | - |
| 2026-04-14 02:00 am | 2.3 | 59.90 | 49.77 | 32.60 | 92.90 | 7.60 | - | 4 | 8.00 | - |
| 2026-04-14 01:45 am | 2.3 | 59.72 | 49.82 | 32.60 | 93.60 | 7.70 | - | 5 | 8.00 | - |
| 2026-04-14 01:30 am | 2.6 | 59.54 | 49.89 | 32.70 | 95.40 | 7.80 | - | 11 | 8.00 | - |
| 2026-04-14 01:15 am | 2.6 | 59.36 | 49.97 | 32.80 | 96.40 | 7.90 | - | 5 | 8.00 | - |
| 2026-04-14 01:00 am | 3.0 | 59.36 | 50.07 | 32.80 | 96.80 | 8.00 | - | 5 | 8.00 | - |
| 2026-04-14 12:45 am | 3.0 | 59.18 | 50.13 | 32.90 | 97.70 | 8.00 | - | 4 | 8.00 | - |
| 2026-04-14 12:30 am | 3.3 | 59.18 | 50.18 | 32.90 | 97.40 | 8.00 | - | 5 | 8.00 | - |
| 2026-04-14 12:15 am | 3.3 | 59.00 | 50.22 | 32.90 | 97.40 | 8.00 | - | 5 | 8.00 | - |
| 2026-04-14 12:00 am | 3.6 | 58.82 | 50.27 | 33.00 | 96.40 | 8.00 | - | 6 | 8.00 | - |
| 2026-04-13 11:45 pm | 3.9 | 58.82 | 50.30 | 33.00 | 96.80 | 8.00 | - | 5 | 8.00 | - |
| 2026-04-13 11:30 pm | 3.9 | 58.82 | 50.30 | 33.00 | 96.00 | 7.90 | - | 5 | 8.00 | - |
| 2026-04-13 11:15 pm | 4.3 | 58.64 | 50.31 | 33.00 | 95.00 | 7.90 | - | 4 | 8.00 | - |
| 2026-04-13 11:00 pm | 4.3 | 58.64 | 50.35 | 33.00 | 94.90 | 7.80 | - | 5 | 8.00 | - |
| 2026-04-13 10:45 pm | 4.6 | 58.64 | 50.42 | 33.10 | 95.70 | 7.90 | - | 5 | 8.00 | - |
| 2026-04-13 10:30 pm | 4.6 | 58.64 | 50.40 | 33.10 | 94.50 | 7.80 | - | 4 | 8.00 | - |
| 2026-04-13 10:15 pm | 4.6 | 58.64 | 50.39 | 33.00 | 95.10 | 7.90 | - | 4 | 8.00 | - |
| 2026-04-13 10:00 pm | 4.6 | 58.46 | 50.41 | 33.10 | 93.40 | 7.70 | - | 3 | 8.00 | - |
| 2026-04-13 09:45 pm | 4.9 | 58.46 | 50.57 | 33.20 | 89.00 | 7.40 | - | 2 | 8.00 | - |
| 2026-04-13 09:30 pm | 4.9 | 58.46 | 50.63 | 33.20 | 86.70 | 7.20 | - | 2 | 8.00 | - |
| 2026-04-13 09:15 pm | 4.9 | 58.46 | 50.60 | 33.20 | 88.80 | 7.40 | - | 3 | 8.00 | - |
| 2026-04-13 09:00 pm | 4.9 | 58.46 | 50.56 | 33.20 | 95.30 | 7.90 | - | 2 | 8.00 | - |
| 2026-04-13 08:45 pm | 4.9 | 58.82 | 50.46 | 33.10 | 97.60 | 8.10 | - | 2 | 8.00 | - |
| 2026-04-13 08:30 pm | 4.6 | 58.82 | 50.45 | 33.10 | 98.40 | 8.10 | - | 3 | 8.00 | - |
| 2026-04-13 08:15 pm | 4.6 | 58.82 | 50.44 | 33.10 | 99.20 | 8.20 | - | 3 | 8.00 | - |
| 2026-04-13 08:00 pm | 4.6 | 58.82 | 50.47 | 33.10 | 100.40 | 8.30 | - | 3 | 8.00 | - |
| 2026-04-13 07:45 pm | 4.3 | 59.00 | 50.47 | 33.10 | 101.20 | 8.30 | - | 3 | 8.00 | - |
| 2026-04-13 07:30 pm | 4.3 | 59.00 | 50.49 | 33.10 | 102.30 | 8.40 | - | 3 | 8.00 | - |
| 2026-04-13 07:15 pm | 3.9 | 59.18 | 50.45 | 33.10 | 102.30 | 8.40 | - | 3 | 8.00 | - |
| 2026-04-13 07:00 pm | 3.9 | 59.18 | 50.43 | 33.10 | 103.20 | 8.50 | - | 3 | 8.00 | - |
| 2026-04-13 06:45 pm | 3.6 | 59.36 | 50.44 | 33.10 | 103.90 | 8.50 | - | 4 | 8.00 | - |
| 2026-04-13 06:30 pm | 3.3 | 59.36 | 50.45 | 33.10 | 104.10 | 8.50 | - | 3 | 8.00 | - |
| 2026-04-13 06:15 pm | 3.3 | 59.36 | 50.35 | 33.00 | 103.50 | 8.50 | - | 2 | 8.00 | - |
| 2026-04-13 06:00 pm | 3.0 | 59.54 | 50.32 | 33.00 | 104.00 | 8.50 | - | 3 | 8.00 | - |
| 2026-04-13 05:45 pm | 2.6 | 59.72 | 50.17 | 32.90 | 102.70 | 8.40 | - | 3 | 8.00 | - |
| 2026-04-13 05:30 pm | 2.3 | 59.90 | 50.22 | 32.90 | 100.90 | 8.20 | - | 3 | 8.00 | - |
| 2026-04-13 05:15 pm | 2.3 | 59.72 | 50.26 | 33.00 | 93.90 | 7.70 | - | 4 | 8.00 | - |
| 2026-04-13 05:00 pm | 2.0 | 60.08 | 49.97 | 32.80 | 88.20 | 7.20 | - | 6 | 8.00 | - |
| 2026-04-13 04:45 pm | 1.6 | 61.16 | 49.68 | 32.60 | 88.50 | 7.10 | - | 5 | 8.00 | - |
| 2026-04-13 04:30 pm | 1.6 | 61.52 | 49.64 | 32.50 | 88.30 | 7.10 | - | 4 | 8.00 | - |
| 2026-04-13 04:15 pm | 1.6 | 61.70 | 49.63 | 32.50 | 86.60 | 7.00 | - | 4 | 8.00 | - |
| 2026-04-13 04:00 pm | 1.3 | 61.70 | 49.66 | 32.50 | 84.70 | 6.80 | - | 3 | 7.90 | - |
Historical data for station EVMC1 are available at the NERRS website.
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