Station NPQC1 - South Bay, Tijuana River Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
Water Quality Station
32.601 N 117.116 W (32°36'4" N 117°6'57" 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): | 3.9 ft |
 Ocean Temperature (OTMP): | 66.74 °F |
| Conductivity (COND): | 53.05 mS/cm |
| Salinity (SAL): | 35.10 psu |
| Oxygen Saturation (O2PCT): | 74.4% |
| Oxygen Concentration (O2PPM): | 5.60 ppm |
| Turbidity (TURB): | 6 FTU |
| pH (PH): | 7.80 |
| TIME (PST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-15 05:00 pm | 3.6 | 66.74 | 53.09 | 35.10 | 74.40 | 5.60 | - | 7 | 7.80 | - |
| 2025-11-15 04:45 pm | 3.6 | 66.74 | 53.10 | 35.10 | 74.70 | 5.60 | - | 9 | 7.80 | - |
| 2025-11-15 04:30 pm | 3.3 | 66.74 | 53.12 | 35.10 | 75.00 | 5.60 | - | 8 | 7.80 | - |
| 2025-11-15 04:15 pm | 3.3 | 66.74 | 53.11 | 35.10 | 75.00 | 5.60 | - | 9 | 7.80 | - |
| 2025-11-15 04:00 pm | 3.0 | 66.74 | 53.12 | 35.10 | 74.10 | 5.60 | - | 11 | 7.80 | - |
| 2025-11-15 03:45 pm | 2.6 | 66.74 | 53.12 | 35.10 | 73.40 | 5.50 | - | 11 | 7.80 | - |
| 2025-11-15 03:30 pm | 2.3 | 66.74 | 53.08 | 35.10 | 73.20 | 5.50 | - | 14 | 7.80 | - |
| 2025-11-15 03:15 pm | 2.3 | 66.56 | 52.95 | 35.00 | 74.10 | 5.60 | - | 15 | 7.80 | - |
| 2025-11-15 03:00 pm | 2.0 | 66.56 | 52.70 | 34.80 | 76.20 | 5.70 | - | 20 | 7.80 | - |
| 2025-11-15 02:45 pm | 1.6 | 66.38 | 52.48 | 34.60 | 74.90 | 5.60 | - | 14 | 7.80 | - |
| 2025-11-15 02:30 pm | 1.6 | 66.20 | 52.50 | 34.70 | 75.50 | 5.70 | - | 14 | 7.80 | - |
| 2025-11-15 02:15 pm | 1.6 | 66.20 | 52.48 | 34.60 | 76.60 | 5.80 | - | 21 | 7.80 | - |
| 2025-11-15 02:00 pm | 1.3 | 66.20 | 52.54 | 34.70 | 75.90 | 5.70 | - | 16 | 7.80 | - |
| 2025-11-15 01:45 pm | 0.7 | 65.84 | 51.87 | 34.20 | 71.10 | 5.40 | - | 9 | 7.80 | - |
| 2025-11-15 01:30 pm | 0.7 | 65.66 | 51.81 | 34.10 | 70.40 | 5.40 | - | 8 | 7.80 | - |
| 2025-11-15 07:15 am | 5.2 | 67.46 | 53.61 | 35.50 | 48.70 | 3.60 | - | 3 | 7.80 | - |
| 2025-11-15 07:00 am | 5.6 | 67.46 | 53.60 | 35.50 | 50.80 | 3.80 | - | 3 | 7.80 | - |
| 2025-11-15 06:45 am | 5.6 | 67.46 | 53.60 | 35.50 | 52.30 | 3.90 | - | 3 | 7.80 | - |
| 2025-11-15 06:30 am | 5.6 | 67.46 | 53.63 | 35.50 | 52.80 | 3.90 | - | 4 | 7.80 | - |
| 2025-11-15 06:15 am | 5.6 | 67.46 | 53.63 | 35.50 | 50.60 | 3.80 | - | 4 | 7.80 | - |
| 2025-11-15 06:00 am | 5.6 | 67.46 | 53.54 | 35.40 | 57.60 | 4.30 | - | 3 | 7.80 | - |
| 2025-11-15 05:45 am | 5.6 | 67.46 | 53.65 | 35.50 | 51.70 | 3.80 | - | 3 | 7.80 | - |
| 2025-11-15 05:30 am | 5.6 | 67.46 | 53.61 | 35.50 | 53.30 | 4.00 | - | 3 | 7.80 | - |
| 2025-11-15 05:15 am | 5.6 | 67.46 | 53.60 | 35.50 | 55.40 | 4.10 | - | 3 | 7.80 | - |
| 2025-11-15 05:00 am | 5.2 | 67.46 | 53.62 | 35.50 | 56.60 | 4.20 | - | 3 | 7.80 | - |
| 2025-11-15 04:45 am | 4.9 | 67.46 | 53.60 | 35.50 | 58.30 | 4.30 | - | 3 | 7.80 | - |
| 2025-11-15 04:30 am | 4.9 | 67.46 | 53.58 | 35.50 | 60.60 | 4.50 | - | 3 | 7.80 | - |
| 2025-11-15 04:15 am | 4.6 | 67.46 | 53.59 | 35.50 | 62.20 | 4.60 | - | 4 | 7.90 | - |
| 2025-11-15 04:00 am | 4.3 | 67.46 | 53.58 | 35.50 | 62.10 | 4.60 | - | 4 | 7.90 | - |
| 2025-11-15 03:45 am | 3.9 | 67.46 | 53.63 | 35.50 | 61.90 | 4.60 | - | 4 | 7.80 | - |
| 2025-11-15 03:30 am | 3.6 | 67.46 | 53.69 | 35.50 | 63.40 | 4.70 | - | 4 | 7.90 | - |
| 2025-11-15 03:15 am | 3.6 | 67.46 | 53.81 | 35.60 | 64.30 | 4.80 | - | 5 | 7.90 | - |
| 2025-11-15 03:00 am | 3.0 | 67.28 | 53.93 | 35.70 | 62.30 | 4.60 | - | 4 | 7.90 | - |
| 2025-11-15 02:45 am | 3.0 | 67.28 | 53.95 | 35.70 | 63.40 | 4.70 | - | 4 | 7.90 | - |
| 2025-11-15 02:30 am | 2.6 | 67.28 | 54.01 | 35.80 | 65.50 | 4.90 | - | 5 | 7.90 | - |
| 2025-11-15 02:15 am | 2.3 | 67.46 | 54.12 | 35.90 | 65.10 | 4.80 | - | 6 | 7.90 | - |
| 2025-11-15 02:00 am | 2.0 | 67.46 | 54.17 | 35.90 | 63.60 | 4.70 | - | 4 | 7.90 | - |
| 2025-11-15 01:45 am | 2.0 | 67.46 | 54.18 | 35.90 | 66.20 | 4.90 | - | 6 | 7.90 | - |
| 2025-11-15 01:30 am | 1.6 | 67.46 | 54.31 | 36.00 | 66.30 | 4.90 | - | 7 | 7.90 | - |
| 2025-11-15 01:15 am | 1.3 | 67.46 | 54.44 | 36.10 | 63.10 | 4.70 | - | 4 | 7.90 | - |
| 2025-11-15 01:00 am | 1.3 | 67.46 | 54.36 | 36.00 | 67.30 | 5.00 | - | 6 | 7.90 | - |
| 2025-11-15 12:45 am | 1.3 | 67.46 | 54.48 | 36.10 | 67.80 | 5.00 | - | 7 | 7.90 | - |
| 2025-11-15 12:30 am | 1.0 | 67.46 | 54.84 | 36.40 | 68.20 | 5.00 | - | 5 | 7.90 | - |
| 2025-11-15 12:15 am | 0.7 | 67.46 | 54.96 | 36.50 | 67.50 | 5.00 | - | 4 | 7.90 | - |
| 2025-11-15 12:00 am | 1.0 | 67.46 | 54.84 | 36.40 | 66.60 | 4.90 | - | 3 | 7.90 | - |
| 2025-11-14 11:45 pm | 1.0 | 67.46 | 54.89 | 36.40 | 69.30 | 5.10 | - | 4 | 7.90 | - |
| 2025-11-14 11:30 pm | 1.0 | 67.64 | 55.01 | 36.50 | 68.30 | 5.00 | - | 4 | 7.90 | - |
| 2025-11-14 11:15 pm | 0.7 | 67.64 | 55.01 | 36.50 | 70.90 | 5.20 | - | 4 | 7.90 | - |
| 2025-11-14 11:00 pm | 1.0 | 67.64 | 54.91 | 36.40 | 71.20 | 5.20 | - | 4 | 7.90 | - |
| 2025-11-14 10:45 pm | 1.0 | 67.64 | 54.92 | 36.50 | 71.80 | 5.30 | - | 8 | 7.90 | - |
| 2025-11-14 10:30 pm | 1.3 | 67.64 | 54.84 | 36.40 | 72.60 | 5.40 | - | 5 | 7.90 | - |
| 2025-11-14 10:15 pm | 1.3 | 67.82 | 54.63 | 36.20 | 73.10 | 5.40 | - | 4 | 7.90 | - |
| 2025-11-14 10:00 pm | 1.6 | 67.82 | 54.50 | 36.10 | 73.30 | 5.40 | - | 4 | 7.90 | - |
| 2025-11-14 09:45 pm | 2.0 | 67.82 | 54.51 | 36.10 | 74.40 | 5.50 | - | 4 | 7.90 | - |
| 2025-11-14 09:30 pm | 2.0 | 67.82 | 54.45 | 36.10 | 75.00 | 5.50 | - | 5 | 7.90 | - |
| 2025-11-14 09:15 pm | 2.3 | 68.00 | 54.27 | 36.00 | 75.30 | 5.50 | - | 4 | 7.90 | - |
| 2025-11-14 09:00 pm | 2.6 | 68.00 | 54.27 | 36.00 | 76.20 | 5.60 | - | 4 | 7.90 | - |
| 2025-11-14 08:45 pm | 2.6 | 68.00 | 54.27 | 36.00 | 75.90 | 5.60 | - | 3 | 7.90 | - |
| 2025-11-14 08:30 pm | 2.6 | 68.00 | 54.14 | 35.90 | 75.60 | 5.60 | - | 3 | 7.90 | - |
| 2025-11-14 08:15 pm | 3.0 | 68.00 | 54.09 | 35.80 | 77.50 | 5.70 | - | 3 | 7.90 | - |
| 2025-11-14 08:00 pm | 3.3 | 68.00 | 53.99 | 35.80 | 75.30 | 5.50 | - | 4 | 7.90 | - |
| 2025-11-14 07:45 pm | 3.3 | 68.00 | 53.87 | 35.70 | 73.40 | 5.40 | - | 4 | 7.90 | - |
| 2025-11-14 07:30 pm | 3.6 | 68.00 | 53.84 | 35.60 | 76.00 | 5.60 | - | 4 | 7.90 | - |
| 2025-11-14 07:15 pm | 3.6 | 68.18 | 53.80 | 35.60 | 74.50 | 5.50 | - | 4 | 7.90 | - |
| 2025-11-14 07:00 pm | 3.9 | 68.18 | 53.78 | 35.60 | 74.50 | 5.50 | - | 4 | 7.90 | - |
| 2025-11-14 06:45 pm | 3.9 | 68.36 | 53.77 | 35.60 | 71.80 | 5.30 | - | 3 | 7.90 | - |
| 2025-11-14 06:30 pm | 3.9 | 68.36 | 53.79 | 35.60 | 73.90 | 5.40 | - | 4 | 7.90 | - |
| 2025-11-14 06:15 pm | 4.3 | 68.36 | 53.80 | 35.60 | 68.50 | 5.00 | - | 3 | 7.90 | - |
| 2025-11-14 06:00 pm | 4.3 | 68.36 | 53.79 | 35.60 | 72.50 | 5.30 | - | 4 | 7.90 | - |
Historical data for station NPQC1 are available at the NERRS website.
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