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): | 3.6 ft |
 Ocean Temperature (OTMP): | 56.66 °F |
| Conductivity (COND): | 51.88 mS/cm |
| Salinity (SAL): | 34.10 psu |
| Oxygen Saturation (O2PCT): | 72.8% |
| Oxygen Concentration (O2PPM): | 6.10 ppm |
| Turbidity (TURB): | 1 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-10 08:45 am | 3.6 | 55.76 | 51.77 | 34.00 | 73.00 | 6.20 | - | 1 | 7.90 | - |
| 2026-07-10 08:30 am | 3.6 | 56.30 | 51.73 | 34.00 | 75.00 | 6.30 | - | 1 | 7.90 | - |
| 2026-07-10 08:15 am | 3.6 | 56.84 | 51.65 | 33.90 | 75.80 | 6.40 | - | 1 | 7.90 | - |
| 2026-07-10 08:00 am | 3.6 | 57.20 | 51.66 | 34.00 | 78.20 | 6.50 | - | 1 | 7.90 | - |
| 2026-07-10 07:45 am | 3.3 | 57.38 | 51.65 | 33.90 | 79.20 | 6.60 | - | 1 | 7.90 | - |
| 2026-07-10 07:30 am | 3.3 | 57.74 | 51.65 | 34.00 | 81.40 | 6.80 | - | 1 | 8.00 | - |
| 2026-07-10 07:15 am | 3.3 | 58.64 | 51.59 | 33.90 | 85.50 | 7.00 | - | 2 | 8.00 | - |
| 2026-07-10 07:00 am | 3.0 | 59.90 | 51.55 | 33.90 | 90.00 | 7.30 | - | 2 | 8.00 | - |
| 2026-07-10 06:45 am | 3.0 | 61.34 | 51.45 | 33.90 | 96.50 | 7.70 | - | 2 | 8.00 | - |
| 2026-07-10 06:30 am | 2.6 | 62.06 | 51.36 | 33.80 | 97.90 | 7.80 | - | 2 | 8.10 | - |
| 2026-07-10 06:15 am | 2.6 | 62.60 | 51.42 | 33.80 | 97.40 | 7.70 | - | 2 | 8.10 | - |
| 2026-07-10 06:00 am | 2.3 | 62.60 | 51.42 | 33.80 | 98.20 | 7.70 | - | 2 | 8.10 | - |
| 2026-07-10 05:45 am | 2.3 | 62.96 | 51.45 | 33.90 | 96.80 | 7.60 | - | 2 | 8.10 | - |
| 2026-07-10 05:30 am | 2.0 | 62.96 | 51.45 | 33.90 | 95.50 | 7.50 | - | 9 | 8.00 | - |
| 2026-07-10 05:15 am | 2.0 | 64.04 | 51.56 | 34.00 | 89.70 | 7.00 | - | 9 | 8.00 | - |
| 2026-07-10 05:00 am | 1.6 | 65.66 | 51.87 | 34.20 | 79.70 | 6.10 | - | 12 | 8.00 | - |
| 2026-07-10 04:45 am | 1.6 | 66.02 | 51.86 | 34.20 | 77.70 | 5.90 | - | 8 | 8.00 | - |
| 2026-07-10 04:30 am | 1.3 | 66.20 | 52.03 | 34.30 | 76.10 | 5.80 | - | 10 | 7.90 | - |
| 2026-07-10 04:15 am | 1.0 | 66.38 | 52.09 | 34.40 | 77.90 | 5.90 | - | 8 | 8.00 | - |
| 2026-07-10 04:00 am | 1.0 | 66.56 | 52.14 | 34.40 | 79.30 | 6.00 | - | 7 | 8.00 | - |
| 2026-07-10 03:45 am | 1.0 | 66.56 | 52.19 | 34.40 | 78.00 | 5.90 | - | 8 | 8.00 | - |
| 2026-07-10 03:30 am | 0.7 | 66.74 | 52.24 | 34.50 | 79.10 | 6.00 | - | 9 | 8.00 | - |
| 2026-07-10 03:15 am | 0.7 | 66.74 | 52.25 | 34.50 | 82.40 | 6.20 | - | 11 | 8.00 | - |
| 2026-07-10 03:00 am | 0.3 | 66.74 | 52.27 | 34.50 | 79.20 | 6.00 | - | 4 | 8.00 | - |
| 2026-07-10 02:45 am | 0.3 | 66.74 | 52.29 | 34.50 | 81.50 | 6.10 | - | 5 | 8.00 | - |
| 2026-07-10 02:30 am | 0.3 | 66.74 | 52.28 | 34.50 | 82.70 | 6.20 | - | 4 | 8.00 | - |
| 2026-07-10 02:15 am | 0.3 | 66.38 | 52.32 | 34.50 | 83.60 | 6.30 | - | 6 | 8.00 | - |
| 2026-07-10 02:00 am | 0.3 | 66.74 | 52.26 | 34.50 | 84.60 | 6.40 | - | 5 | 8.00 | - |
| 2026-07-10 01:45 am | 0.3 | 66.74 | 52.25 | 34.50 | 82.40 | 6.20 | - | 6 | 8.00 | - |
| 2026-07-10 01:30 am | 0.3 | 66.38 | 52.20 | 34.40 | 85.60 | 6.50 | - | 6 | 8.00 | - |
| 2026-07-10 01:15 am | 0.7 | 66.38 | 52.16 | 34.40 | 86.90 | 6.60 | - | 6 | 8.00 | - |
| 2026-07-10 01:00 am | 0.7 | 66.02 | 52.11 | 34.40 | 87.50 | 6.60 | - | 7 | 8.00 | - |
| 2026-07-10 12:45 am | 1.0 | 65.66 | 52.07 | 34.30 | 88.60 | 6.70 | - | 7 | 8.00 | - |
| 2026-07-10 12:30 am | 1.0 | 65.48 | 51.98 | 34.30 | 89.90 | 6.90 | - | 8 | 8.00 | - |
| 2026-07-10 12:15 am | 1.3 | 64.94 | 51.90 | 34.20 | 91.10 | 7.00 | - | 8 | 8.00 | - |
| 2026-07-10 12:00 am | 1.6 | 64.40 | 51.81 | 34.10 | 92.90 | 7.20 | - | 8 | 8.00 | - |
| 2026-07-09 11:45 pm | 1.6 | 63.86 | 51.73 | 34.10 | 94.80 | 7.40 | - | 8 | 8.00 | - |
| 2026-07-09 11:30 pm | 2.0 | 63.32 | 51.63 | 34.00 | 97.00 | 7.60 | - | 8 | 8.00 | - |
| 2026-07-09 11:15 pm | 2.3 | 62.78 | 51.58 | 34.00 | 99.20 | 7.80 | - | 8 | 8.10 | - |
| 2026-07-09 11:00 pm | 2.6 | 62.60 | 51.55 | 33.90 | 101.40 | 8.00 | - | 7 | 8.10 | - |
| 2026-07-09 10:45 pm | 3.0 | 62.60 | 51.54 | 33.90 | 103.20 | 8.10 | - | 6 | 8.10 | - |
| 2026-07-09 10:30 pm | 3.3 | 62.24 | 51.52 | 33.90 | 105.00 | 8.30 | - | 5 | 8.10 | - |
| 2026-07-09 10:15 pm | 3.6 | 62.24 | 51.51 | 33.90 | 106.20 | 8.40 | - | 5 | 8.10 | - |
| 2026-07-09 10:00 pm | 3.9 | 62.24 | 51.51 | 33.90 | 107.60 | 8.50 | - | 5 | 8.10 | - |
| 2026-07-09 09:45 pm | 4.3 | 62.06 | 51.49 | 33.90 | 108.50 | 8.60 | - | 4 | 8.10 | - |
| 2026-07-09 09:30 pm | 4.6 | 62.06 | 51.49 | 33.90 | 109.10 | 8.70 | - | 4 | 8.10 | - |
| 2026-07-09 09:15 pm | 4.6 | 61.88 | 51.49 | 33.90 | 109.90 | 8.70 | - | 4 | 8.10 | - |
| 2026-07-09 09:00 pm | 4.9 | 61.88 | 51.48 | 33.90 | 111.40 | 8.80 | - | 4 | 8.10 | - |
| 2026-07-09 08:45 pm | 5.2 | 62.06 | 51.48 | 33.90 | 113.00 | 9.00 | - | 3 | 8.10 | - |
| 2026-07-09 08:30 pm | 5.2 | 62.24 | 51.47 | 33.90 | 116.20 | 9.20 | - | 4 | 8.10 | - |
| 2026-07-09 08:15 pm | 5.6 | 62.06 | 51.46 | 33.90 | 117.80 | 9.30 | - | 3 | 8.10 | - |
| 2026-07-09 08:00 pm | 5.9 | 62.06 | 51.46 | 33.90 | 119.20 | 9.40 | - | 4 | 8.20 | - |
| 2026-07-09 07:45 pm | 5.9 | 62.24 | 51.46 | 33.90 | 120.30 | 9.50 | - | 4 | 8.20 | - |
| 2026-07-09 07:30 pm | 5.9 | 62.06 | 51.46 | 33.90 | 120.60 | 9.60 | - | 2 | 8.20 | - |
| 2026-07-09 07:15 pm | 6.2 | 62.06 | 51.46 | 33.90 | 119.70 | 9.50 | - | 2 | 8.20 | - |
| 2026-07-09 07:00 pm | 6.2 | 62.06 | 51.46 | 33.90 | 117.30 | 9.30 | - | 2 | 8.10 | - |
| 2026-07-09 06:45 pm | 6.2 | 62.06 | 51.45 | 33.90 | 117.90 | 9.40 | - | 2 | 8.10 | - |
| 2026-07-09 06:30 pm | 6.2 | 61.88 | 51.45 | 33.90 | 116.90 | 9.30 | - | 2 | 8.10 | - |
| 2026-07-09 06:15 pm | 6.2 | 61.88 | 51.46 | 33.90 | 116.00 | 9.20 | - | 2 | 8.10 | - |
| 2026-07-09 06:00 pm | 6.2 | 61.70 | 51.46 | 33.90 | 115.50 | 9.20 | - | 1 | 8.10 | - |
| 2026-07-09 05:45 pm | 5.9 | 61.70 | 51.46 | 33.90 | 115.70 | 9.20 | - | 2 | 8.10 | - |
| 2026-07-09 05:30 pm | 5.9 | 61.88 | 51.45 | 33.90 | 115.20 | 9.20 | - | 1 | 8.10 | - |
| 2026-07-09 05:15 pm | 5.9 | 61.88 | 51.45 | 33.90 | 117.20 | 9.30 | - | 1 | 8.10 | - |
| 2026-07-09 05:00 pm | 5.6 | 62.06 | 51.45 | 33.90 | 119.00 | 9.40 | - | 1 | 8.20 | - |
| 2026-07-09 04:45 pm | 5.6 | 62.06 | 51.45 | 33.90 | 121.00 | 9.60 | - | 1 | 8.20 | - |
| 2026-07-09 04:30 pm | 5.2 | 62.06 | 51.46 | 33.90 | 120.80 | 9.60 | - | 1 | 8.20 | - |
| 2026-07-09 04:15 pm | 5.2 | 61.88 | 51.45 | 33.90 | 120.00 | 9.50 | - | 2 | 8.20 | - |
| 2026-07-09 04:00 pm | 4.9 | 61.70 | 51.45 | 33.90 | 117.20 | 9.30 | - | 1 | 8.10 | - |
| 2026-07-09 03:45 pm | 4.9 | 61.70 | 51.44 | 33.80 | 115.30 | 9.20 | - | 2 | 8.10 | - |
| 2026-07-09 03:30 pm | 4.6 | 61.70 | 51.43 | 33.80 | 113.80 | 9.10 | - | 2 | 8.10 | - |
| 2026-07-09 03:15 pm | 4.6 | 61.34 | 51.43 | 33.80 | 111.00 | 8.90 | - | 1 | 8.10 | - |
| 2026-07-09 03:00 pm | 4.3 | 61.16 | 51.42 | 33.80 | 108.20 | 8.70 | - | 1 | 8.10 | - |
| 2026-07-09 02:45 pm | 3.9 | 60.80 | 51.43 | 33.80 | 105.10 | 8.40 | - | 1 | 8.10 | - |
| 2026-07-09 02:30 pm | 3.9 | 60.62 | 51.47 | 33.90 | 103.40 | 8.30 | - | 1 | 8.10 | - |
| 2026-07-09 02:15 pm | 3.6 | 60.26 | 51.45 | 33.80 | 99.50 | 8.00 | - | 2 | 8.00 | - |
| 2026-07-09 02:00 pm | 3.6 | 59.90 | 51.48 | 33.90 | 93.20 | 7.60 | - | 2 | 8.00 | - |
| 2026-07-09 01:45 pm | 3.6 | 59.90 | 51.51 | 33.90 | 92.40 | 7.50 | - | 2 | 8.00 | - |
| 2026-07-09 01:30 pm | 3.3 | 60.62 | 51.49 | 33.90 | 92.50 | 7.50 | - | 3 | 8.00 | - |
| 2026-07-09 01:15 pm | 3.3 | 60.98 | 51.51 | 33.90 | 95.00 | 7.60 | - | 2 | 8.00 | - |
| 2026-07-09 01:00 pm | 3.0 | 61.16 | 51.54 | 33.90 | 94.50 | 7.60 | - | 2 | 8.00 | - |
| 2026-07-09 12:45 pm | 3.0 | 60.80 | 51.55 | 33.90 | 91.80 | 7.40 | - | 2 | 8.00 | - |
| 2026-07-09 12:30 pm | 3.0 | 61.16 | 51.51 | 33.90 | 94.00 | 7.50 | - | 2 | 8.00 | - |
| 2026-07-09 12:15 pm | 2.6 | 60.44 | 51.62 | 34.00 | 89.90 | 7.30 | - | 2 | 8.00 | - |
| 2026-07-09 12:00 pm | 2.6 | 61.34 | 51.47 | 33.90 | 90.10 | 7.20 | - | 2 | 8.00 | - |
| 2026-07-09 11:45 am | 2.6 | 60.80 | 51.58 | 33.90 | 88.90 | 7.10 | - | 2 | 8.00 | - |
| 2026-07-09 11:30 am | 2.6 | 60.62 | 51.60 | 34.00 | 86.60 | 7.00 | - | 3 | 8.00 | - |
| 2026-07-09 11:15 am | 2.6 | 60.44 | 51.54 | 33.90 | 83.50 | 6.70 | - | 2 | 8.00 | - |
| 2026-07-09 11:00 am | 2.6 | 63.86 | 51.67 | 34.00 | 90.40 | 7.00 | - | 3 | 8.00 | - |
| 2026-07-09 10:45 am | 2.6 | 63.68 | 51.63 | 34.00 | 90.80 | 7.10 | - | 3 | 8.00 | - |
| 2026-07-09 10:30 am | 3.0 | 63.32 | 51.62 | 34.00 | 90.90 | 7.10 | - | 3 | 8.00 | - |
| 2026-07-09 10:15 am | 3.0 | 62.60 | 51.56 | 34.00 | 90.70 | 7.10 | - | 3 | 8.00 | - |
| 2026-07-09 10:00 am | 3.0 | 62.60 | 51.55 | 33.90 | 90.80 | 7.20 | - | 3 | 8.00 | - |
| 2026-07-09 09:45 am | 3.0 | 62.60 | 51.54 | 33.90 | 89.70 | 7.10 | - | 4 | 8.00 | - |
| 2026-07-09 09:30 am | 3.0 | 62.24 | 51.58 | 34.00 | 86.80 | 6.90 | - | 3 | 8.00 | - |
| 2026-07-09 09:15 am | 3.3 | 60.98 | 51.23 | 33.70 | 85.20 | 6.80 | - | 2 | 8.00 | - |
| 2026-07-09 09:00 am | 3.3 | 60.44 | 52.21 | 34.40 | 79.70 | 6.40 | - | 3 | 8.00 | - |
Historical data for station EVMC1 are available at the NERRS website.
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