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): | 4.6 ft |
 Ocean Temperature (OTMP): | 60.80 °F |
| Conductivity (COND): | 48.57 mS/cm |
| Salinity (SAL): | 31.70 psu |
| Oxygen Saturation (O2PCT): | 79.5% |
| Oxygen Concentration (O2PPM): | 6.50 ppm |
| Turbidity (TURB): | 4 FTU |
| pH (PH): | 7.90 |
| TIME (PST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-29 06:00 am | 4.9 | 60.80 | 48.59 | 31.80 | 78.60 | 6.40 | - | 4 | 7.90 | - |
| 2025-12-29 05:45 am | 5.2 | 60.80 | 48.61 | 31.80 | 78.30 | 6.40 | - | 3 | 7.90 | - |
| 2025-12-29 05:30 am | 5.6 | 60.80 | 48.60 | 31.80 | 80.50 | 6.60 | - | 4 | 7.90 | - |
| 2025-12-29 05:15 am | 5.6 | 60.80 | 48.56 | 31.70 | 81.50 | 6.60 | - | 4 | 7.90 | - |
| 2025-12-29 05:00 am | 5.6 | 60.80 | 48.56 | 31.70 | 81.70 | 6.70 | - | 4 | 7.90 | - |
| 2025-12-29 04:45 am | 5.6 | 60.80 | 48.54 | 31.70 | 81.70 | 6.70 | - | 4 | 7.90 | - |
| 2025-12-29 04:30 am | 5.9 | 60.62 | 48.50 | 31.70 | 82.70 | 6.70 | - | 5 | 7.90 | - |
| 2025-12-29 03:15 am | 5.6 | 60.80 | 48.11 | 31.40 | 85.70 | 7.00 | - | 4 | 8.00 | - |
| 2025-12-29 03:00 am | 5.2 | 60.80 | 48.05 | 31.40 | 86.20 | 7.00 | - | 5 | 8.00 | - |
| 2025-12-29 02:45 am | 5.2 | 60.80 | 48.02 | 31.30 | 86.80 | 7.10 | - | 5 | 8.00 | - |
| 2025-12-29 02:30 am | 4.9 | 60.80 | 47.77 | 31.20 | 86.10 | 7.00 | - | 5 | 8.00 | - |
| 2025-12-29 02:15 am | 4.9 | 60.98 | 47.67 | 31.10 | 86.10 | 7.00 | - | 6 | 8.00 | - |
| 2025-12-29 02:00 am | 4.6 | 60.80 | 47.50 | 31.00 | 86.40 | 7.10 | - | 6 | 8.00 | - |
| 2025-12-29 01:45 am | 4.3 | 60.80 | 47.52 | 31.00 | 86.50 | 7.10 | - | 5 | 8.00 | - |
| 2025-12-29 01:30 am | 4.3 | 60.80 | 47.47 | 30.90 | 87.30 | 7.10 | - | 6 | 8.00 | - |
| 2025-12-29 01:15 am | 3.9 | 60.80 | 47.37 | 30.90 | 88.40 | 7.20 | - | 6 | 8.00 | - |
| 2025-12-29 01:00 am | 3.6 | 60.80 | 47.25 | 30.80 | 89.40 | 7.30 | - | 5 | 8.00 | - |
| 2025-12-29 12:45 am | 3.6 | 60.80 | 47.16 | 30.70 | 90.30 | 7.40 | - | 6 | 8.00 | - |
| 2025-12-29 12:30 am | 3.3 | 60.80 | 47.04 | 30.60 | 89.70 | 7.40 | - | 6 | 8.00 | - |
| 2025-12-29 12:15 am | 3.0 | 60.80 | 46.96 | 30.60 | 91.90 | 7.50 | - | 6 | 8.00 | - |
| 2025-12-29 12:00 am | 2.6 | 61.16 | 47.03 | 30.60 | 91.90 | 7.50 | - | 6 | 8.00 | - |
| 2025-12-28 11:45 pm | 2.6 | 61.34 | 47.07 | 30.70 | 90.50 | 7.40 | - | 7 | 8.00 | - |
| 2025-12-28 11:30 pm | 2.3 | 61.52 | 46.71 | 30.40 | 88.90 | 7.20 | - | 7 | 8.00 | - |
| 2025-12-28 11:15 pm | 2.3 | 61.34 | 46.11 | 30.00 | 90.10 | 7.40 | - | 7 | 8.00 | - |
| 2025-12-28 11:00 pm | 2.0 | 61.88 | 46.01 | 29.90 | 89.60 | 7.30 | - | 8 | 8.00 | - |
| 2025-12-28 10:45 pm | 1.6 | 61.88 | 46.12 | 30.00 | 90.00 | 7.30 | - | 7 | 8.00 | - |
| 2025-12-28 10:30 pm | 1.6 | 61.70 | 45.91 | 29.80 | 92.50 | 7.50 | - | 6 | 8.00 | - |
| 2025-12-28 10:15 pm | 1.6 | 62.42 | 47.07 | 30.70 | 89.90 | 7.20 | - | 8 | 8.00 | - |
| 2025-12-28 10:00 pm | 1.6 | 62.42 | 47.11 | 30.70 | 90.30 | 7.30 | - | 8 | 8.00 | - |
| 2025-12-28 09:45 pm | 1.3 | 62.42 | 47.17 | 30.70 | 91.40 | 7.40 | - | 7 | 8.00 | - |
| 2025-12-28 09:30 pm | 1.6 | 62.42 | 47.26 | 30.80 | 91.20 | 7.30 | - | 7 | 8.00 | - |
| 2025-12-28 09:15 pm | 1.6 | 62.60 | 47.28 | 30.80 | 91.20 | 7.30 | - | - | - | - |
| 2025-12-28 09:00 pm | 1.6 | 62.42 | 47.17 | 30.70 | 91.60 | 7.40 | - | - | - | - |
| 2025-12-28 08:45 pm | 1.6 | 62.60 | 46.80 | 30.50 | 93.50 | 7.50 | - | - | - | - |
| 2025-12-28 08:15 pm | 1.6 | 62.42 | 47.13 | 30.70 | 93.80 | 7.50 | - | 8 | 8.00 | - |
| 2025-12-28 08:00 pm | 2.0 | 62.60 | 46.92 | 30.60 | 94.00 | 7.60 | - | 7 | 8.00 | - |
| 2025-12-28 07:45 pm | 2.0 | 62.60 | 47.28 | 30.80 | 95.10 | 7.60 | - | 8 | 8.00 | - |
| 2025-12-28 07:30 pm | 2.3 | 62.42 | 47.34 | 30.90 | 93.90 | 7.50 | - | 7 | 8.00 | - |
| 2025-12-28 07:15 pm | 2.0 | 62.42 | 47.32 | 30.80 | 94.70 | 7.60 | - | 8 | 8.00 | - |
| 2025-12-28 07:00 pm | 2.3 | 62.42 | 47.31 | 30.80 | 94.70 | 7.60 | - | 7 | 8.00 | - |
| 2025-12-28 06:45 pm | 2.3 | 62.42 | 47.31 | 30.80 | 95.20 | 7.60 | - | 7 | 8.00 | - |
| 2025-12-28 06:30 pm | 2.6 | 62.42 | 47.32 | 30.80 | 96.30 | 7.70 | - | 8 | 8.00 | - |
| 2025-12-28 06:15 pm | 2.6 | 62.78 | 47.45 | 30.90 | 96.70 | 7.80 | - | 6 | 8.00 | - |
| 2025-12-28 06:00 pm | 2.6 | 62.78 | 47.45 | 30.90 | 96.80 | 7.80 | - | 5 | 8.00 | - |
| 2025-12-28 05:45 pm | 3.0 | 62.78 | 47.44 | 30.90 | 96.70 | 7.80 | - | 4 | 8.00 | - |
| 2025-12-28 05:30 pm | 3.0 | 62.78 | 47.43 | 30.90 | 99.20 | 7.90 | - | 6 | 8.00 | - |
| 2025-12-28 05:15 pm | 3.0 | 62.78 | 47.36 | 30.90 | 98.60 | 7.90 | - | 6 | 8.00 | - |
| 2025-12-28 05:00 pm | 3.0 | 62.78 | 47.31 | 30.80 | 99.40 | 8.00 | - | 5 | 8.00 | - |
| 2025-12-28 04:45 pm | 3.3 | 62.78 | 47.24 | 30.80 | 100.00 | 8.00 | - | 5 | 8.00 | - |
| 2025-12-28 04:30 pm | 3.6 | 62.78 | 47.30 | 30.80 | 100.10 | 8.00 | - | 5 | 8.00 | - |
| 2025-12-28 04:15 pm | 3.3 | 62.96 | 47.17 | 30.70 | 101.30 | 8.10 | - | 6 | 8.00 | - |
| 2025-12-28 04:00 pm | 3.3 | 62.96 | 47.04 | 30.60 | 101.60 | 8.10 | - | 5 | 8.00 | - |
| 2025-12-28 03:45 pm | 3.3 | 62.96 | 47.09 | 30.70 | 101.10 | 8.10 | - | 4 | 8.00 | - |
| 2025-12-28 03:30 pm | 3.3 | 62.96 | 47.10 | 30.70 | 102.50 | 8.20 | - | 5 | 8.00 | - |
| 2025-12-28 03:15 pm | 3.0 | 62.60 | 46.79 | 30.50 | 100.20 | 8.10 | - | 5 | 8.00 | - |
| 2025-12-28 03:00 pm | 3.0 | 62.60 | 46.82 | 30.50 | 100.40 | 8.10 | - | 5 | 8.00 | - |
| 2025-12-28 02:45 pm | 3.0 | 62.60 | 46.81 | 30.50 | 102.20 | 8.20 | - | 5 | 8.00 | - |
| 2025-12-28 02:30 pm | 3.0 | 62.42 | 46.71 | 30.40 | 101.80 | 8.20 | - | 5 | 8.00 | - |
| 2025-12-28 12:15 pm | 2.0 | 61.34 | 46.79 | 30.50 | 106.60 | 8.70 | - | 7 | 8.00 | - |
| 2025-12-28 12:00 pm | 2.0 | 61.34 | 46.77 | 30.40 | 105.30 | 8.60 | - | 6 | 8.00 | - |
| 2025-12-28 11:45 am | 2.0 | 61.52 | 46.94 | 30.60 | 105.40 | 8.60 | - | 6 | 8.00 | - |
| 2025-12-28 11:30 am | 2.0 | 61.16 | 46.51 | 30.20 | 104.50 | 8.60 | - | 7 | 8.00 | - |
| 2025-12-28 11:15 am | 1.6 | 60.98 | 47.23 | 30.80 | 99.80 | 8.10 | - | 7 | 8.00 | - |
| 2025-12-28 11:00 am | 1.6 | 60.98 | 47.22 | 30.80 | 96.20 | 7.90 | - | 6 | 8.00 | - |
| 2025-12-28 10:45 am | 1.6 | 60.98 | 47.24 | 30.80 | 96.30 | 7.90 | - | 6 | 8.00 | - |
| 2025-12-28 10:30 am | 1.6 | 60.80 | 47.29 | 30.80 | 96.70 | 7.90 | - | 7 | 8.00 | - |
| 2025-12-28 10:15 am | 1.6 | 61.16 | 47.62 | 31.10 | 83.30 | 6.80 | - | 6 | 7.90 | - |
| 2025-12-28 10:00 am | 1.6 | 61.16 | 47.64 | 31.10 | 86.20 | 7.00 | - | 5 | 8.00 | - |
Historical data for station NPQC1 are available at the NERRS website.
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