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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(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): | 2.3 ft |
 Ocean Temperature (OTMP): | 48.56 °F |
| Conductivity (COND): | 44.86 mS/cm |
| Salinity (SAL): | 28.80 psu |
| Oxygen Saturation (O2PCT): | 94.4% |
| Oxygen Concentration (O2PPM): | 9.00 ppm |
| Turbidity (TURB): | 4 FTU |
| pH (PH): | 8.10 |
| TIME (PST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-10 10:00 am | 2.6 | 48.56 | 44.91 | 28.80 | 93.10 | 8.90 | - | 4 | 8.10 | - |
| 2026-01-10 09:45 am | 2.6 | 48.56 | 45.00 | 28.90 | 92.20 | 8.80 | - | 4 | 8.10 | - |
| 2026-01-10 09:30 am | 2.6 | 48.56 | 45.03 | 28.90 | 91.00 | 8.70 | - | 5 | 8.00 | - |
| 2026-01-10 09:15 am | 3.0 | 48.56 | 45.15 | 29.00 | 90.00 | 8.60 | - | 3 | 8.00 | - |
| 2026-01-10 09:00 am | 3.0 | 48.74 | 45.25 | 29.10 | 89.60 | 8.50 | - | 3 | 8.00 | - |
| 2026-01-10 08:45 am | 3.3 | 48.56 | 45.19 | 29.00 | 89.80 | 8.60 | - | 4 | 8.00 | - |
| 2026-01-10 08:30 am | 3.3 | 48.74 | 45.26 | 29.10 | 90.00 | 8.60 | - | 3 | 8.00 | - |
| 2026-01-10 08:15 am | 3.6 | 48.74 | 45.29 | 29.10 | 89.70 | 8.50 | - | 3 | 8.00 | - |
| 2026-01-10 08:00 am | 3.6 | 48.92 | 45.30 | 29.10 | 90.10 | 8.60 | - | 3 | 8.00 | - |
| 2026-01-10 07:45 am | 3.9 | 49.28 | 45.56 | 29.30 | 89.40 | 8.50 | - | 3 | 8.00 | - |
| 2026-01-10 07:30 am | 3.9 | 49.46 | 45.64 | 29.40 | 89.30 | 8.40 | - | 3 | 8.00 | - |
| 2026-01-10 07:15 am | 4.3 | 49.64 | 45.70 | 29.40 | 89.40 | 8.40 | - | 3 | 8.00 | - |
| 2026-01-10 07:00 am | 4.6 | 49.64 | 45.99 | 29.70 | 89.00 | 8.40 | - | 3 | 8.00 | - |
| 2026-01-10 06:45 am | 4.6 | 51.08 | 46.97 | 30.40 | 86.60 | 7.90 | - | 3 | 8.00 | - |
| 2026-01-10 06:30 am | 4.6 | 51.80 | 47.49 | 30.80 | 87.40 | 7.90 | - | 3 | 8.00 | - |
| 2026-01-10 06:15 am | 4.9 | 52.70 | 48.08 | 31.20 | 89.30 | 8.00 | - | 2 | 8.00 | - |
| 2026-01-10 06:00 am | 4.9 | 52.70 | 48.13 | 31.30 | 88.50 | 7.90 | - | 3 | 8.00 | - |
| 2026-01-10 05:45 am | 5.2 | 52.88 | 48.25 | 31.40 | 88.50 | 7.90 | - | 3 | 8.00 | - |
| 2026-01-10 05:30 am | 5.2 | 52.88 | 48.39 | 31.50 | 84.30 | 7.50 | - | 3 | 8.00 | - |
| 2026-01-10 05:15 am | 5.2 | 52.88 | 48.41 | 31.50 | 84.50 | 7.50 | - | 11 | 8.00 | - |
| 2026-01-10 05:00 am | 5.6 | 52.88 | 48.40 | 31.50 | 85.00 | 7.60 | - | 3 | 8.00 | - |
| 2026-01-10 04:45 am | 5.6 | 52.88 | 48.38 | 31.50 | 90.10 | 8.00 | - | 3 | 8.00 | - |
| 2026-01-10 04:30 am | 5.6 | 52.88 | 48.30 | 31.40 | 92.40 | 8.20 | - | 15 | 8.00 | - |
| 2026-01-10 04:15 am | 5.6 | 52.88 | 48.29 | 31.40 | 92.60 | 8.30 | - | 13 | 8.00 | - |
| 2026-01-10 04:00 am | 5.6 | 52.88 | 48.22 | 31.30 | 92.40 | 8.30 | - | 8 | 8.00 | - |
| 2026-01-10 03:45 am | 5.6 | 52.70 | 48.09 | 31.30 | 92.00 | 8.20 | - | 6 | 8.00 | - |
| 2026-01-10 03:30 am | 5.6 | 52.70 | 47.95 | 31.10 | 91.50 | 8.20 | - | 18 | 8.00 | - |
| 2026-01-10 03:15 am | 5.2 | 52.52 | 47.73 | 31.00 | 91.00 | 8.20 | - | 7 | 8.00 | - |
| 2026-01-10 03:00 am | 5.2 | 52.34 | 47.46 | 30.80 | 90.90 | 8.20 | - | 15 | 8.00 | - |
| 2026-01-10 02:45 am | 5.2 | 52.16 | 47.11 | 30.50 | 90.80 | 8.20 | - | 10 | 8.00 | - |
| 2026-01-10 02:30 am | 4.9 | 51.98 | 46.77 | 30.30 | 90.80 | 8.30 | - | 22 | 8.00 | - |
| 2026-01-10 02:15 am | 4.9 | 51.98 | 46.60 | 30.20 | 90.60 | 8.20 | - | 9 | 8.00 | - |
| 2026-01-10 02:00 am | 4.6 | 51.98 | 46.43 | 30.00 | 90.30 | 8.20 | - | 7 | 8.00 | - |
| 2026-01-10 01:45 am | 4.6 | 51.98 | 46.37 | 30.00 | 90.30 | 8.20 | - | 7 | 8.00 | - |
| 2026-01-10 01:30 am | 4.3 | 51.98 | 46.32 | 30.00 | 90.20 | 8.20 | - | 8 | 8.00 | - |
| 2026-01-10 01:15 am | 3.9 | 51.98 | 46.12 | 29.80 | 90.30 | 8.20 | - | 16 | 8.00 | - |
| 2026-01-10 01:00 am | 3.9 | 51.80 | 45.72 | 29.50 | 90.00 | 8.20 | - | 9 | 8.00 | - |
| 2026-01-10 12:45 am | 3.6 | 51.44 | 45.15 | 29.10 | 90.90 | 8.40 | - | 11 | 8.00 | - |
| 2026-01-10 12:30 am | 3.6 | 51.26 | 44.82 | 28.90 | 93.00 | 8.60 | - | 5 | 8.00 | - |
| 2026-01-10 12:15 am | 3.3 | 50.90 | 44.32 | 28.50 | 98.10 | 9.10 | - | 10 | 8.10 | - |
| 2026-01-10 12:00 am | 3.3 | 50.90 | 44.16 | 28.40 | 101.10 | 9.40 | - | 5 | 8.10 | - |
| 2026-01-09 11:45 pm | 3.0 | 50.54 | 43.83 | 28.10 | 103.20 | 9.70 | - | 7 | 8.10 | - |
| 2026-01-09 11:30 pm | 3.0 | 50.54 | 43.95 | 28.20 | 105.10 | 9.80 | - | 5 | 8.10 | - |
| 2026-01-09 11:15 pm | 2.6 | 50.54 | 44.14 | 28.40 | 106.60 | 10.00 | - | 9 | 8.10 | - |
| 2026-01-09 11:00 pm | 2.6 | 50.36 | 44.14 | 28.40 | 107.40 | 10.10 | - | 7 | 8.20 | - |
| 2026-01-09 10:45 pm | 2.6 | 50.18 | 44.20 | 28.40 | 107.60 | 10.10 | - | 5 | 8.20 | - |
| 2026-01-09 10:30 pm | 2.3 | 50.18 | 44.16 | 28.40 | 108.00 | 10.20 | - | 4 | 8.20 | - |
| 2026-01-09 10:15 pm | 2.3 | 50.18 | 44.06 | 28.30 | 109.10 | 10.30 | - | 4 | 8.20 | - |
| 2026-01-09 10:00 pm | 2.3 | 50.18 | 44.03 | 28.30 | 109.00 | 10.20 | - | 6 | 8.20 | - |
| 2026-01-09 09:45 pm | 2.0 | 50.18 | 43.99 | 28.20 | 108.20 | 10.20 | - | 5 | 8.10 | - |
| 2026-01-09 09:30 pm | 2.0 | 50.18 | 43.86 | 28.20 | 110.70 | 10.40 | - | 3 | 8.20 | - |
| 2026-01-09 09:15 pm | 2.0 | 50.18 | 43.91 | 28.20 | 109.50 | 10.30 | - | 4 | 8.20 | - |
| 2026-01-09 09:00 pm | 2.0 | 50.36 | 43.87 | 28.20 | 107.20 | 10.10 | - | 4 | 8.10 | - |
| 2026-01-09 08:45 pm | 2.0 | 50.36 | 43.86 | 28.20 | 112.30 | 10.60 | - | 4 | 8.20 | - |
| 2026-01-09 08:30 pm | 2.0 | 50.36 | 43.74 | 28.10 | 112.90 | 10.60 | - | 4 | 8.20 | - |
| 2026-01-09 08:15 pm | 2.0 | 50.36 | 43.75 | 28.10 | 113.70 | 10.70 | - | 3 | 8.20 | - |
| 2026-01-09 08:00 pm | 2.0 | 50.54 | 43.75 | 28.10 | 113.10 | 10.60 | - | 3 | 8.20 | - |
| 2026-01-09 07:45 pm | 2.0 | 50.54 | 43.75 | 28.10 | 114.10 | 10.70 | - | 3 | 8.20 | - |
| 2026-01-09 07:30 pm | 2.3 | 50.54 | 43.76 | 28.10 | 115.00 | 10.80 | - | 4 | 8.20 | - |
| 2026-01-09 07:15 pm | 2.3 | 50.72 | 43.77 | 28.10 | 113.20 | 10.60 | - | 3 | 8.20 | - |
| 2026-01-09 07:00 pm | 2.3 | 50.72 | 43.84 | 28.20 | 111.80 | 10.40 | - | 3 | 8.20 | - |
| 2026-01-09 06:45 pm | 2.6 | 50.90 | 43.86 | 28.20 | 111.60 | 10.40 | - | 3 | 8.20 | - |
| 2026-01-09 06:30 pm | 2.6 | 50.90 | 43.93 | 28.20 | 110.50 | 10.30 | - | 3 | 8.10 | - |
| 2026-01-09 06:15 pm | 3.0 | 51.08 | 43.58 | 28.00 | 110.20 | 10.30 | - | 3 | 8.10 | - |
| 2026-01-09 06:00 pm | 3.0 | 51.26 | 43.97 | 28.30 | 110.70 | 10.30 | - | 4 | 8.10 | - |
| 2026-01-09 05:45 pm | 3.0 | 51.26 | 44.01 | 28.30 | 111.00 | 10.30 | - | 3 | 8.10 | - |
| 2026-01-09 05:30 pm | 3.3 | 51.44 | 44.05 | 28.30 | 109.80 | 10.20 | - | 4 | 8.10 | - |
| 2026-01-09 05:15 pm | 3.3 | 51.62 | 44.14 | 28.40 | 109.90 | 10.10 | - | 3 | 8.10 | - |
| 2026-01-09 05:00 pm | 3.6 | 51.62 | 44.27 | 28.50 | 105.30 | 9.70 | - | 4 | 8.10 | - |
| 2026-01-09 04:45 pm | 3.6 | 51.44 | 44.73 | 28.80 | 91.60 | 8.40 | - | 3 | 8.00 | - |
| 2026-01-09 04:30 pm | 3.6 | 51.62 | 44.75 | 28.80 | 92.30 | 8.50 | - | 3 | 8.00 | - |
| 2026-01-09 04:15 pm | 3.6 | 51.62 | 45.09 | 29.10 | 82.60 | 7.60 | - | 4 | 8.00 | - |
| 2026-01-09 04:00 pm | 3.9 | 51.62 | 45.09 | 29.10 | 86.80 | 8.00 | - | 3 | 8.00 | - |
| 2026-01-09 03:45 pm | 3.9 | 51.62 | 45.09 | 29.10 | 82.80 | 7.60 | - | 6 | 8.00 | - |
| 2026-01-09 03:30 pm | 3.9 | 51.62 | 45.04 | 29.00 | 88.40 | 8.10 | - | 4 | 8.00 | - |
| 2026-01-09 03:15 pm | 3.9 | 51.44 | 45.02 | 29.00 | 87.40 | 8.10 | - | 4 | 8.00 | - |
| 2026-01-09 03:00 pm | 3.9 | 51.44 | 44.99 | 29.00 | 88.20 | 8.10 | - | 14 | 8.00 | - |
| 2026-01-09 02:45 pm | 3.9 | 51.44 | 44.84 | 28.90 | 89.70 | 8.30 | - | 6 | 8.00 | - |
| 2026-01-09 02:30 pm | 3.9 | 51.26 | 44.80 | 28.90 | 88.80 | 8.20 | - | 5 | 8.00 | - |
| 2026-01-09 02:15 pm | 3.9 | 51.08 | 44.66 | 28.70 | 89.10 | 8.30 | - | 5 | 8.00 | - |
| 2026-01-09 02:00 pm | 3.9 | 51.08 | 44.60 | 28.70 | 88.90 | 8.30 | - | 5 | 8.00 | - |
| 2026-01-09 01:45 pm | 3.9 | 50.72 | 44.45 | 28.60 | 88.60 | 8.30 | - | 5 | 8.00 | - |
| 2026-01-09 01:30 pm | 3.6 | 50.54 | 44.22 | 28.40 | 88.00 | 8.20 | - | 4 | 8.00 | - |
| 2026-01-09 01:15 pm | 3.6 | 50.36 | 44.06 | 28.30 | 89.20 | 8.40 | - | 5 | 8.00 | - |
| 2026-01-09 01:00 pm | 3.6 | 50.18 | 44.01 | 28.30 | 89.30 | 8.40 | - | 5 | 8.00 | - |
| 2026-01-09 12:45 pm | 3.6 | 50.00 | 44.04 | 28.30 | 88.60 | 8.40 | - | 5 | 8.00 | - |
| 2026-01-09 12:30 pm | 3.3 | 50.00 | 44.06 | 28.30 | 89.90 | 8.50 | - | 5 | 8.00 | - |
| 2026-01-09 12:15 pm | 3.3 | 50.00 | 44.22 | 28.40 | 90.10 | 8.50 | - | 5 | 8.00 | - |
| 2026-01-09 12:00 pm | 3.3 | 50.00 | 44.41 | 28.50 | 90.40 | 8.50 | - | 7 | 8.00 | - |
| 2026-01-09 11:45 am | 3.0 | 50.00 | 44.40 | 28.50 | 90.30 | 8.50 | - | 12 | 8.00 | - |
| 2026-01-09 11:30 am | 3.0 | 50.00 | 44.41 | 28.50 | 91.10 | 8.60 | - | 13 | 8.00 | - |
| 2026-01-09 11:15 am | 3.0 | 50.00 | 44.75 | 28.80 | 88.90 | 8.30 | - | 16 | 8.00 | - |
| 2026-01-09 11:00 am | 3.0 | 50.00 | 44.70 | 28.70 | 89.30 | 8.40 | - | 6 | 8.00 | - |
Historical data for station ELQC1 are available at the NERRS website.
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