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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): | 1.3 ft |
 Ocean Temperature (OTMP): | 68.18 °F |
| Conductivity (COND): | 52.43 mS/cm |
| Salinity (SAL): | 34.60 psu |
| Oxygen Saturation (O2PCT): | 72.2% |
| Oxygen Concentration (O2PPM): | 5.40 ppm |
| Turbidity (TURB): | 5 FTU |
| pH (PH): | 8.00 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-25 04:00 am | 1.3 | 68.00 | 52.42 | 34.60 | 88.80 | 6.60 | - | 5 | 8.00 | - |
| 2026-09-25 03:45 am | 1.3 | 68.00 | 52.41 | 34.60 | 93.00 | 6.90 | - | 6 | 8.10 | - |
| 2026-09-25 03:30 am | 1.6 | 68.00 | 52.38 | 34.60 | 93.80 | 7.00 | - | 6 | 8.10 | - |
| 2026-09-25 03:15 am | 2.0 | 68.00 | 52.35 | 34.50 | 95.20 | 7.10 | - | 6 | 8.10 | - |
| 2026-09-25 03:00 am | 2.3 | 68.00 | 52.31 | 34.50 | 96.10 | 7.10 | - | 6 | 8.10 | - |
| 2026-09-25 02:45 am | 2.6 | 68.00 | 52.29 | 34.50 | 96.70 | 7.20 | - | 6 | 8.10 | - |
| 2026-09-25 02:30 am | 2.6 | 68.00 | 52.29 | 34.50 | 96.20 | 7.10 | - | 6 | 8.10 | - |
| 2026-09-25 02:15 am | 3.0 | 68.18 | 52.29 | 34.50 | 97.40 | 7.20 | - | 5 | 8.10 | - |
| 2026-09-25 02:00 am | 3.3 | 68.18 | 52.30 | 34.50 | 98.20 | 7.30 | - | 6 | 8.10 | - |
| 2026-09-25 01:45 am | 3.6 | 68.36 | 52.31 | 34.50 | 100.10 | 7.40 | - | 4 | 8.10 | - |
| 2026-09-25 01:30 am | 3.6 | 68.36 | 52.29 | 34.50 | 100.50 | 7.40 | - | 5 | 8.10 | - |
| 2026-09-25 01:15 am | 3.9 | 68.36 | 52.27 | 34.50 | 102.40 | 7.60 | - | 5 | 8.10 | - |
| 2026-09-25 01:00 am | 4.3 | 68.36 | 52.25 | 34.50 | 101.60 | 7.50 | - | 4 | 8.10 | - |
| 2026-09-25 12:45 am | 4.6 | 68.54 | 52.32 | 34.50 | 103.60 | 7.60 | - | 4 | 8.10 | - |
| 2026-09-25 12:30 am | 4.6 | 68.36 | 52.25 | 34.50 | 103.40 | 7.60 | - | 4 | 8.10 | - |
| 2026-09-25 12:15 am | 4.9 | 68.18 | 52.18 | 34.40 | 103.50 | 7.70 | - | 4 | 8.10 | - |
| 2026-09-25 12:00 am | 4.9 | 67.64 | 52.16 | 34.40 | 99.30 | 7.40 | - | 5 | 8.00 | - |
| 2026-09-24 11:45 pm | 5.2 | 67.10 | 52.01 | 34.30 | 95.20 | 7.10 | - | 4 | 8.00 | - |
| 2026-09-24 11:30 pm | 5.2 | 66.56 | 51.99 | 34.30 | 92.00 | 6.90 | - | 4 | 8.00 | - |
| 2026-09-24 11:15 pm | 5.6 | 66.02 | 51.87 | 34.20 | 92.80 | 7.00 | - | 5 | 8.00 | - |
| 2026-09-24 11:00 pm | 5.6 | 65.66 | 51.74 | 34.10 | 91.90 | 7.00 | - | 4 | 8.00 | - |
| 2026-09-24 10:45 pm | 5.9 | 65.12 | 51.60 | 34.00 | 81.60 | 6.30 | - | 5 | 7.90 | - |
| 2026-09-24 10:30 pm | 5.9 | 64.94 | 51.59 | 34.00 | 67.50 | 5.20 | - | 6 | 7.90 | - |
| 2026-09-24 10:15 pm | 5.9 | 65.12 | 51.62 | 34.00 | 77.90 | 6.00 | - | 6 | 7.90 | - |
| 2026-09-24 10:00 pm | 5.9 | 64.94 | 51.59 | 34.00 | 84.90 | 6.50 | - | 5 | 7.90 | - |
| 2026-09-24 09:45 pm | 5.9 | 65.12 | 51.61 | 34.00 | 88.60 | 6.80 | - | 4 | 7.90 | - |
| 2026-09-24 09:30 pm | 5.9 | 65.48 | 51.67 | 34.00 | 90.10 | 6.90 | - | 5 | 8.00 | - |
| 2026-09-24 09:15 pm | 5.9 | 65.66 | 51.70 | 34.10 | 91.50 | 7.00 | - | 5 | 8.00 | - |
| 2026-09-24 09:00 pm | 5.6 | 65.84 | 51.71 | 34.10 | 94.20 | 7.20 | - | 5 | 8.00 | - |
| 2026-09-24 08:45 pm | 5.6 | 66.20 | 51.75 | 34.10 | 94.60 | 7.20 | - | 6 | 8.00 | - |
| 2026-09-24 08:30 pm | 5.2 | 66.38 | 51.79 | 34.10 | 94.60 | 7.20 | - | 5 | 8.00 | - |
| 2026-09-24 08:15 pm | 5.2 | 66.74 | 51.85 | 34.20 | 97.60 | 7.40 | - | 7 | 8.00 | - |
| 2026-09-24 08:00 pm | 4.9 | 67.10 | 51.91 | 34.20 | 98.30 | 7.40 | - | 7 | 8.00 | - |
| 2026-09-24 07:45 pm | 4.9 | 67.64 | 51.95 | 34.20 | 100.30 | 7.50 | - | 5 | 8.00 | - |
| 2026-09-24 07:30 pm | 4.6 | 68.00 | 52.00 | 34.30 | 102.60 | 7.60 | - | 7 | 8.00 | - |
| 2026-09-24 07:15 pm | 4.6 | 68.18 | 51.99 | 34.30 | 105.80 | 7.90 | - | 6 | 8.00 | - |
| 2026-09-24 07:00 pm | 4.3 | 68.72 | 52.07 | 34.30 | 107.10 | 7.90 | - | 6 | 8.00 | - |
| 2026-09-24 06:45 pm | 3.9 | 69.26 | 52.21 | 34.40 | 110.60 | 8.10 | - | 6 | 8.10 | - |
| 2026-09-24 06:30 pm | 3.9 | 69.44 | 52.24 | 34.50 | 113.40 | 8.30 | - | 5 | 8.10 | - |
| 2026-09-24 06:15 pm | 3.6 | 69.98 | 52.30 | 34.50 | 118.40 | 8.60 | - | 6 | 8.10 | - |
| 2026-09-24 06:00 pm | 3.6 | 70.34 | 52.36 | 34.50 | 120.50 | 8.70 | - | 6 | 8.10 | - |
| 2026-09-24 05:45 pm | 3.3 | 70.52 | 52.38 | 34.60 | 124.20 | 9.00 | - | 6 | 8.10 | - |
| 2026-09-24 05:30 pm | 3.3 | 70.52 | 52.33 | 34.50 | 123.40 | 8.90 | - | 6 | 8.10 | - |
| 2026-09-24 05:15 pm | 3.0 | 70.52 | 52.34 | 34.50 | 123.50 | 8.90 | - | 6 | 8.10 | - |
| 2026-09-24 05:00 pm | 3.0 | 70.52 | 52.37 | 34.60 | 122.80 | 8.90 | - | 5 | 8.10 | - |
| 2026-09-24 04:45 pm | 3.0 | 70.52 | 52.40 | 34.60 | 122.40 | 8.90 | - | 5 | 8.10 | - |
| 2026-09-24 04:30 pm | 2.6 | 70.34 | 52.44 | 34.60 | 124.30 | 9.00 | - | 5 | 8.10 | - |
| 2026-09-24 04:15 pm | 2.6 | 70.34 | 52.45 | 34.60 | 118.20 | 8.60 | - | 5 | 8.10 | - |
| 2026-09-24 04:00 pm | 2.6 | 70.34 | 52.47 | 34.60 | 106.10 | 7.70 | - | 4 | 8.10 | - |
| 2026-09-24 03:45 pm | 2.6 | 70.34 | 52.48 | 34.60 | 124.50 | 9.00 | - | 4 | 8.10 | - |
| 2026-09-24 03:30 pm | 2.6 | 70.16 | 52.46 | 34.60 | 126.10 | 9.10 | - | 4 | 8.10 | - |
| 2026-09-24 03:15 pm | 2.6 | 70.16 | 52.46 | 34.60 | 124.70 | 9.10 | - | 5 | 8.10 | - |
| 2026-09-24 03:00 pm | 3.0 | 69.80 | 52.44 | 34.60 | 122.40 | 8.90 | - | 5 | 8.10 | - |
| 2026-09-24 02:45 pm | 3.0 | 69.62 | 52.42 | 34.60 | 118.90 | 8.70 | - | 4 | 8.10 | - |
| 2026-09-24 02:30 pm | 3.3 | 69.26 | 52.43 | 34.60 | 116.50 | 8.50 | - | 5 | 8.10 | - |
| 2026-09-24 02:15 pm | 3.3 | 69.08 | 52.38 | 34.60 | 115.10 | 8.40 | - | 4 | 8.10 | - |
| 2026-09-24 02:00 pm | 3.6 | 68.90 | 52.41 | 34.60 | 109.40 | 8.00 | - | 4 | 8.10 | - |
| 2026-09-24 01:45 pm | 3.6 | 68.54 | 52.40 | 34.60 | 106.10 | 7.80 | - | 4 | 8.10 | - |
| 2026-09-24 01:30 pm | 3.9 | 68.00 | 52.39 | 34.60 | 101.20 | 7.50 | - | 4 | 8.10 | - |
| 2026-09-24 01:15 pm | 4.3 | 67.82 | 52.41 | 34.60 | 99.40 | 7.40 | - | 4 | 8.10 | - |
| 2026-09-24 01:00 pm | 4.3 | 67.64 | 52.36 | 34.60 | 96.50 | 7.20 | - | 4 | 8.00 | - |
| 2026-09-24 12:45 pm | 4.6 | 67.28 | 52.34 | 34.50 | 93.00 | 6.90 | - | 4 | 8.00 | - |
| 2026-09-24 12:30 pm | 4.6 | 67.10 | 52.30 | 34.50 | 90.60 | 6.80 | - | 4 | 8.00 | - |
| 2026-09-24 12:15 pm | 4.9 | 66.02 | 52.14 | 34.40 | 85.90 | 6.50 | - | 5 | 8.00 | - |
| 2026-09-24 12:00 pm | 4.9 | 65.12 | 51.94 | 34.20 | 82.80 | 6.30 | - | 4 | 8.00 | - |
| 2026-09-24 11:45 am | 5.2 | 65.12 | 51.92 | 34.20 | 82.50 | 6.30 | - | 4 | 8.00 | - |
| 2026-09-24 11:30 am | 5.2 | 64.76 | 51.87 | 34.20 | 83.40 | 6.40 | - | 5 | 8.00 | - |
| 2026-09-24 11:15 am | 5.2 | 64.58 | 51.82 | 34.10 | 81.20 | 6.30 | - | 4 | 7.90 | - |
| 2026-09-24 11:00 am | 5.6 | 64.58 | 51.84 | 34.20 | 76.00 | 5.90 | - | 4 | 7.90 | - |
| 2026-09-24 10:45 am | 5.6 | 64.94 | 51.88 | 34.20 | 78.60 | 6.00 | - | 4 | 7.90 | - |
| 2026-09-24 10:30 am | 5.6 | 64.40 | 51.82 | 34.10 | 65.90 | 5.10 | - | 7 | 7.90 | - |
| 2026-09-24 10:15 am | 5.6 | 64.22 | 51.75 | 34.10 | 75.50 | 5.80 | - | 6 | 7.90 | - |
| 2026-09-24 10:00 am | 5.2 | 64.22 | 51.79 | 34.10 | 77.30 | 6.00 | - | 6 | 7.90 | - |
| 2026-09-24 09:45 am | 5.2 | 64.40 | 51.84 | 34.20 | 76.10 | 5.90 | - | 5 | 7.90 | - |
| 2026-09-24 09:30 am | 5.2 | 64.40 | 51.84 | 34.20 | 75.40 | 5.80 | - | 5 | 7.90 | - |
| 2026-09-24 09:15 am | 4.9 | 64.58 | 51.91 | 34.20 | 75.30 | 5.80 | - | 6 | 7.90 | - |
| 2026-09-24 09:00 am | 4.9 | 64.58 | 51.97 | 34.30 | 75.70 | 5.80 | - | 5 | 7.90 | - |
| 2026-09-24 08:45 am | 4.6 | 64.76 | 52.03 | 34.30 | 76.00 | 5.80 | - | 6 | 7.90 | - |
| 2026-09-24 08:30 am | 4.6 | 64.94 | 52.12 | 34.40 | 76.90 | 5.90 | - | 6 | 8.00 | - |
| 2026-09-24 08:15 am | 4.3 | 65.30 | 52.21 | 34.40 | 77.20 | 5.90 | - | 7 | 8.00 | - |
| 2026-09-24 08:00 am | 3.9 | 65.66 | 52.28 | 34.50 | 77.70 | 5.90 | - | 6 | 8.00 | - |
| 2026-09-24 07:45 am | 3.6 | 65.84 | 52.33 | 34.50 | 79.10 | 6.00 | - | 7 | 8.00 | - |
| 2026-09-24 07:30 am | 3.6 | 66.02 | 52.35 | 34.50 | 79.90 | 6.10 | - | 6 | 8.00 | - |
| 2026-09-24 07:15 am | 3.3 | 66.20 | 52.34 | 34.50 | 80.70 | 6.10 | - | 7 | 8.00 | - |
| 2026-09-24 07:00 am | 3.3 | 66.56 | 52.42 | 34.60 | 82.00 | 6.20 | - | 7 | 8.00 | - |
| 2026-09-24 06:45 am | 3.0 | 66.92 | 52.50 | 34.70 | 84.30 | 6.30 | - | 7 | 8.00 | - |
| 2026-09-24 06:30 am | 2.6 | 67.10 | 52.50 | 34.70 | 86.30 | 6.50 | - | 7 | 8.00 | - |
| 2026-09-24 06:15 am | 2.6 | 67.28 | 52.45 | 34.60 | 87.60 | 6.60 | - | 5 | 8.00 | - |
| 2026-09-24 06:00 am | 2.3 | 67.28 | 52.43 | 34.60 | 88.20 | 6.60 | - | 6 | 8.00 | - |
| 2026-09-24 05:45 am | 2.3 | 67.28 | 52.46 | 34.60 | 89.70 | 6.70 | - | 7 | 8.10 | - |
| 2026-09-24 05:30 am | 2.0 | 67.10 | 52.45 | 34.60 | 86.80 | 6.50 | - | 6 | 8.00 | - |
| 2026-09-24 05:15 am | 2.0 | 66.74 | 52.35 | 34.50 | 87.00 | 6.50 | - | 5 | 8.00 | - |
| 2026-09-24 05:00 am | 1.6 | 66.74 | 52.36 | 34.60 | 84.50 | 6.40 | - | 5 | 8.00 | - |
Historical data for station ELQC1 are available at the NERRS website.
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