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): | 0.3 ft |
 Ocean Temperature (OTMP): | 75.56 °F |
| Conductivity (COND): | 49.40 mS/cm |
| Salinity (SAL): | 32.30 psu |
| Oxygen Saturation (O2PCT): | 97.6% |
| Oxygen Concentration (O2PPM): | 6.80 ppm |
| Turbidity (TURB): | 25 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-15 01:15 pm | 0.0 | 73.04 | 47.42 | 30.90 | 90.80 | 6.50 | - | 22 | 7.90 | - |
| 2026-03-15 01:00 pm | 0.3 | 72.50 | 47.26 | 30.80 | 84.80 | 6.20 | - | 16 | 7.90 | - |
| 2026-03-15 12:45 pm | 0.7 | 71.96 | 47.24 | 30.80 | 78.80 | 5.70 | - | 13 | 7.90 | - |
| 2026-03-15 12:30 pm | 1.0 | 71.42 | 47.12 | 30.70 | 76.00 | 5.60 | - | 10 | 7.80 | - |
| 2026-03-15 12:15 pm | 1.0 | 70.88 | 47.29 | 30.80 | 72.30 | 5.30 | - | 12 | 7.80 | - |
| 2026-03-15 12:00 pm | 1.6 | 70.52 | 47.75 | 31.20 | 68.40 | 5.10 | - | 10 | 7.80 | - |
| 2026-03-15 11:45 am | 2.0 | 70.34 | 48.53 | 31.70 | 67.30 | 5.00 | - | 9 | 7.80 | - |
| 2026-03-15 11:30 am | 2.3 | 70.16 | 49.02 | 32.10 | 65.60 | 4.80 | - | 9 | 7.80 | - |
| 2026-03-15 11:15 am | 2.3 | 69.98 | 49.41 | 32.40 | 63.70 | 4.70 | - | 9 | 7.80 | - |
| 2026-03-15 11:00 am | 2.6 | 69.98 | 49.90 | 32.70 | 63.50 | 4.70 | - | 9 | 7.70 | - |
| 2026-03-15 10:45 am | 3.0 | 69.62 | 50.02 | 32.80 | 58.30 | 4.30 | - | 10 | 7.70 | - |
| 2026-03-15 10:30 am | 3.3 | 69.44 | 50.00 | 32.80 | 56.50 | 4.20 | - | 8 | 7.70 | - |
| 2026-03-15 10:15 am | 3.6 | 69.26 | 50.00 | 32.80 | 57.80 | 4.30 | - | 8 | 7.70 | - |
| 2026-03-15 10:00 am | 3.9 | 69.26 | 49.98 | 32.80 | 58.30 | 4.30 | - | 8 | 7.70 | - |
| 2026-03-15 09:45 am | 4.3 | 69.26 | 49.96 | 32.80 | 58.60 | 4.30 | - | 7 | 7.70 | - |
| 2026-03-15 09:30 am | 4.6 | 69.26 | 49.93 | 32.80 | 58.50 | 4.30 | - | 6 | 7.80 | - |
| 2026-03-15 09:15 am | 4.6 | 69.44 | 49.90 | 32.70 | 59.50 | 4.40 | - | 7 | 7.80 | - |
| 2026-03-15 09:00 am | 4.9 | 69.62 | 49.88 | 32.70 | 51.60 | 3.80 | - | 6 | 7.70 | - |
| 2026-03-15 08:45 am | 5.2 | 69.44 | 49.84 | 32.70 | 40.70 | 3.00 | - | 5 | 7.70 | - |
| 2026-03-15 08:30 am | 5.2 | 69.44 | 49.82 | 32.70 | 46.30 | 3.40 | - | 5 | 7.70 | - |
| 2026-03-15 08:15 am | 5.6 | 69.44 | 49.80 | 32.70 | 53.40 | 4.00 | - | 6 | 7.70 | - |
| 2026-03-15 08:00 am | 5.6 | 69.44 | 49.83 | 32.70 | 55.10 | 4.10 | - | 7 | 7.70 | - |
| 2026-03-15 07:45 am | 5.6 | 69.44 | 49.83 | 32.70 | 61.10 | 4.50 | - | 6 | 7.80 | - |
| 2026-03-15 07:30 am | 5.6 | 69.80 | 49.86 | 32.70 | 57.40 | 4.20 | - | 9 | 7.80 | - |
| 2026-03-15 07:15 am | 5.2 | 69.80 | 49.90 | 32.70 | 45.30 | 3.30 | - | 7 | 7.70 | - |
| 2026-03-15 07:00 am | 5.2 | 69.98 | 49.91 | 32.70 | 49.80 | 3.70 | - | 6 | 7.70 | - |
| 2026-03-15 06:45 am | 5.2 | 69.98 | 49.91 | 32.70 | 55.80 | 4.10 | - | 7 | 7.70 | - |
| 2026-03-15 06:30 am | 5.2 | 69.98 | 49.93 | 32.80 | 46.30 | 3.40 | - | 7 | 7.70 | - |
| 2026-03-15 06:15 am | 4.9 | 69.98 | 49.94 | 32.80 | 50.60 | 3.70 | - | 7 | 7.70 | - |
| 2026-03-15 06:00 am | 4.9 | 69.80 | 49.94 | 32.80 | 60.00 | 4.40 | - | 7 | 7.80 | - |
| 2026-03-15 05:45 am | 4.6 | 69.80 | 49.94 | 32.80 | 61.30 | 4.50 | - | 8 | 7.80 | - |
| 2026-03-15 05:30 am | 4.3 | 69.80 | 49.95 | 32.80 | 62.80 | 4.60 | - | 8 | 7.80 | - |
| 2026-03-15 05:15 am | 4.3 | 69.98 | 49.96 | 32.80 | 61.10 | 4.50 | - | 8 | 7.80 | - |
| 2026-03-15 05:00 am | 3.9 | 69.98 | 49.99 | 32.80 | 64.00 | 4.70 | - | 9 | 7.80 | - |
| 2026-03-15 04:45 am | 3.9 | 69.80 | 50.01 | 32.80 | 54.30 | 4.00 | - | 9 | 7.70 | - |
| 2026-03-15 04:30 am | 3.6 | 69.80 | 50.03 | 32.80 | 48.30 | 3.60 | - | 7 | 7.70 | - |
| 2026-03-15 04:15 am | 3.3 | 69.80 | 50.04 | 32.80 | 56.40 | 4.10 | - | 8 | 7.70 | - |
| 2026-03-15 04:00 am | 3.0 | 69.98 | 50.06 | 32.90 | 59.40 | 4.40 | - | 9 | 7.70 | - |
| 2026-03-15 03:45 am | 3.0 | 69.98 | 50.08 | 32.90 | 58.50 | 4.30 | - | 10 | 7.70 | - |
| 2026-03-15 03:30 am | 2.6 | 70.16 | 50.07 | 32.90 | 59.30 | 4.30 | - | 9 | 7.70 | - |
| 2026-03-15 03:15 am | 2.6 | 70.34 | 50.05 | 32.80 | 55.40 | 4.10 | - | 8 | 7.70 | - |
| 2026-03-15 03:00 am | 2.3 | 70.52 | 49.99 | 32.80 | 48.40 | 3.50 | - | 8 | 7.70 | - |
| 2026-03-15 02:45 am | 2.3 | 70.70 | 49.95 | 32.80 | 41.90 | 3.10 | - | 6 | 7.70 | - |
| 2026-03-15 02:30 am | 2.3 | 70.70 | 49.94 | 32.80 | 48.20 | 3.50 | - | 7 | 7.70 | - |
| 2026-03-15 02:15 am | 2.3 | 70.70 | 49.93 | 32.80 | 52.10 | 3.80 | - | 7 | 7.70 | - |
| 2026-03-15 02:00 am | 2.0 | 70.70 | 49.92 | 32.70 | 52.60 | 3.80 | - | 8 | 7.70 | - |
| 2026-03-15 01:45 am | 2.0 | 70.70 | 49.97 | 32.80 | 41.30 | 3.00 | - | 6 | 7.70 | - |
| 2026-03-15 01:30 am | 2.3 | 70.88 | 49.98 | 32.80 | 40.50 | 3.00 | - | 6 | 7.70 | - |
| 2026-03-15 01:15 am | 2.3 | 70.88 | 49.98 | 32.80 | 47.80 | 3.50 | - | 6 | 7.70 | - |
| 2026-03-15 01:00 am | 2.3 | 70.88 | 49.96 | 32.80 | 59.90 | 4.40 | - | 8 | 7.80 | - |
| 2026-03-15 12:45 am | 2.3 | 70.88 | 50.01 | 32.80 | 57.20 | 4.20 | - | 7 | 7.70 | - |
| 2026-03-15 12:30 am | 2.3 | 70.88 | 50.02 | 32.80 | 66.10 | 4.80 | - | 8 | 7.80 | - |
| 2026-03-15 12:15 am | 2.3 | 70.88 | 50.10 | 32.90 | 65.30 | 4.80 | - | 9 | 7.80 | - |
| 2026-03-15 12:00 am | 2.6 | 70.70 | 50.10 | 32.90 | 57.90 | 4.20 | - | 7 | 7.70 | - |
| 2026-03-14 11:45 pm | 2.6 | 70.70 | 50.09 | 32.90 | 62.10 | 4.50 | - | 7 | 7.80 | - |
| 2026-03-14 11:30 pm | 2.6 | 70.70 | 50.10 | 32.90 | 66.70 | 4.90 | - | 8 | 7.80 | - |
| 2026-03-14 11:15 pm | 3.0 | 70.70 | 50.01 | 32.80 | 68.40 | 5.00 | - | 7 | 7.80 | - |
| 2026-03-14 11:00 pm | 3.3 | 70.70 | 49.97 | 32.80 | 61.50 | 4.50 | - | 6 | 7.70 | - |
| 2026-03-14 10:45 pm | 3.3 | 70.70 | 49.96 | 32.80 | 67.30 | 4.90 | - | 7 | 7.80 | - |
| 2026-03-14 10:30 pm | 3.3 | 70.88 | 49.94 | 32.80 | 72.70 | 5.30 | - | 7 | 7.80 | - |
| 2026-03-14 10:15 pm | 3.6 | 70.88 | 49.91 | 32.70 | 63.60 | 4.60 | - | 7 | 7.80 | - |
| 2026-03-14 10:00 pm | 3.9 | 71.06 | 49.90 | 32.70 | 54.60 | 4.00 | - | 8 | 7.70 | - |
| 2026-03-14 09:45 pm | 3.9 | 71.06 | 49.89 | 32.70 | 62.20 | 4.50 | - | 8 | 7.80 | - |
| 2026-03-14 09:30 pm | 3.9 | 71.24 | 49.89 | 32.70 | 62.10 | 4.50 | - | 7 | 7.80 | - |
| 2026-03-14 09:15 pm | 3.9 | 71.24 | 49.89 | 32.70 | 64.50 | 4.70 | - | 8 | 7.80 | - |
| 2026-03-14 09:00 pm | 4.3 | 71.24 | 49.90 | 32.70 | 64.70 | 4.70 | - | 8 | 7.80 | - |
| 2026-03-14 08:45 pm | 3.9 | 71.42 | 49.90 | 32.70 | 66.60 | 4.80 | - | 8 | 7.80 | - |
| 2026-03-14 08:30 pm | 3.9 | 71.42 | 49.91 | 32.70 | 68.80 | 5.00 | - | 7 | 7.80 | - |
| 2026-03-14 08:15 pm | 4.3 | 71.42 | 49.91 | 32.70 | 77.80 | 5.60 | - | 9 | 7.80 | - |
| 2026-03-14 08:00 pm | 3.9 | 71.60 | 49.91 | 32.70 | 79.40 | 5.70 | - | 10 | 7.80 | - |
| 2026-03-14 07:45 pm | 3.9 | 71.60 | 49.91 | 32.70 | 82.90 | 6.00 | - | 11 | 7.90 | - |
| 2026-03-14 07:30 pm | 3.6 | 71.78 | 49.92 | 32.70 | 75.60 | 5.50 | - | 11 | 7.80 | - |
| 2026-03-14 07:15 pm | 3.6 | 71.96 | 49.92 | 32.70 | 83.40 | 6.00 | - | 13 | 7.90 | - |
| 2026-03-14 07:00 pm | 3.6 | 71.96 | 49.94 | 32.70 | 85.20 | 6.10 | - | 10 | 7.90 | - |
| 2026-03-14 06:45 pm | 3.3 | 72.14 | 49.95 | 32.80 | 84.10 | 6.10 | - | 11 | 7.90 | - |
| 2026-03-14 06:30 pm | 3.0 | 72.14 | 49.98 | 32.80 | 84.60 | 6.10 | - | 15 | 7.90 | - |
| 2026-03-14 06:15 pm | 3.0 | 72.14 | 50.00 | 32.80 | 85.20 | 6.10 | - | 13 | 7.90 | - |
| 2026-03-14 06:00 pm | 2.6 | 72.32 | 50.00 | 32.80 | 85.80 | 6.20 | - | 13 | 7.80 | - |
| 2026-03-14 05:45 pm | 2.3 | 72.50 | 49.99 | 32.80 | 84.40 | 6.10 | - | 13 | 7.80 | - |
| 2026-03-14 05:30 pm | 2.0 | 72.68 | 50.05 | 32.80 | 90.00 | 6.40 | - | 17 | 7.90 | - |
| 2026-03-14 05:15 pm | 1.6 | 72.86 | 50.05 | 32.80 | 92.10 | 6.60 | - | 17 | 7.90 | - |
| 2026-03-14 05:00 pm | 1.6 | 72.86 | 49.98 | 32.80 | 91.50 | 6.50 | - | 17 | 7.90 | - |
Historical data for station NPQC1 are available at the NERRS website.
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