Sacramento River Basin NAWQA Program
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Water-Quality Assessment of the Sacramento River
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| USGS Identifier | State Well Number | Date | Time | Hydrogen 2 to Hydrogen 1 ratio (per mil) | Oxygen 18 to Oxygen 16 Ratio (per mil) | Tritium in Water (picocuries/L) | Tritium 2-Sigma Precision (picocuries/L) |
| 384330121293901 | 10N/4E-13F1M | 8/11/97 | 1610 | -42.8 | -4.93 | 8 | 1.3 |
| 385314121401701 | 12N/3E-18H1M | 10/3/97 | 1200 | -62 | -7.85 | 1 | 1 |
| 385431121451401 | 12N/2E-9B2M | 9/8/97 | 1400 | -66.9 | -8.91 | 18 | 1.3 |
| 385528121532001 | 12N/1E-5C1M | 8/12/97 | 1200 | -56.1 | -6.71 | 36 | 2.6 |
| 385720121282401 | 13N/4E-24Q1M | 10/2/97 | 1120 | -59.8 | -8.54 | 14 | 1.3 |
| 390416121433601 | 14N/2E-10R1M | 8/18/97 | 1430 | -67.3 | -9 | 35 | 2.6 |
| 390832121463601 | 15N/2E-20D1M | 8/19/97 | 0930 | -45.1 | -5.32 | 28 | 2.6 |
| 390856122044301 | 15N/2W-16R1M | 8/13/97 | 0930 | -58.3 | -7.34 | 27 | 1.9 |
| 391059122043601 | 15N/2W-3E1M | 9/17/97 | 1000 | -60.4 | -7.53 | 23 | 1.6 |
| 391653122101401 | 17N/3W-35M1M | 8/14/97 | 1100 | -62.9 | -8.53 | 13 | 1.6 |
| 392328121571501 | 18N/1W-27B1M | 9/29/97 | 1400 | -79.1 | -10.99 | 15 | 1.3 |
| 391947122094501 | 17N/2W-14G2M | 9/16/97 | 1320 | -63.5 | -8.52 | 5.1 | 1 |
| 392358121450301 | 18N/2E-21G1M | 9/9/97 | 1100 | -61.2 | -8.02 | 45 | 2.6 |
| 392524122113401 | 18N/3W-9R1M | 9/17/97 | 1430 | -60.3 | -8.62 | 1.9 | 1 |
| 392542121452501 | 18N/2E-9L1M | 8/19/97 | 1500 | -61.8 | -8.08 | 18 | 1.9 |
| 392545122015201 | 18N/2W-12G2M | 9/30/97 | 1030 | -81.7 | -11.46 | 15 | 1.3 |
| 392604121531801 | 18N/1E-8D1M | 8/21/97 | 0930 | -49.9 | -5.5 | 19 | 1.9 |
| 392810122080901 | 19N/3W-25R1M | 9/30/97 | 1430 | -65.9 | -8.62 | 29 | 1.9 |
| 392824122091401 | 19N/3W-25E1M | 8/14/97 | 1600 | -66.2 | -8.75 | 23 | 1.6 |
| 392848121523901 | 19N/1E-20R1M | 9/10/97 | 1430 | -64.9 | -8.63 | 19 | 1.6 |
| 392924121504801 | 19N/1E-22B1M | 8/21/97 | 1330 | -59.2 | -7.82 | 37 | 2.6 |
| 392931122031701 | 19N/2W-23E1M | 8/20/97 | 1130 | -62.5 | -8.33 | 15 | 1.3 |
| 393119121521001 | 19N/1E-9C1M | 9/10/97 | 1100 | -58 | -7.16 | 47 | 2.6 |
| 393230121422201 | 20N/2E-35J2M | 9/11/97 | 0930 | -46.1 | -6.27 | 9.6 | 1 |
| 393235122055301 | 20N/2W-32J1M | 9/18/97 | 1100 | -59.9 | -7.62 | 29 | 2.6 |
| 393353122013501 | 20N/2W-25A1M | 8/15/97 | 1100 | -66.1 | -8.67 | 32 | 1.9 |
| 393538122053201 | 20N/2W-16D1M | 10/1/97 | 1000 | -65.1 | -8.76 | 17 | 1.3 |
| 393630121455401 | 20N/2E-8A1M | 9/9/97 | 1530 | -54.1 | -6.61 | 14 | 1.3 |