| RECOMMENDED MINIMUM | THICKNESS FOR CARBON STEEL WELL CASING | ||||||||
| NOMINAL CASINMG DIAMETER (INCHES) | |||||||||
| DEPTH(FT) | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| 0-100 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 5/16 | |
| 100-200 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 5/16 | 5/16 |
| 200-300 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 5/16 | 5/16 | 5/16 | 5/16 |
| 300-400 | 1/4 | 1/4 | 1/4 | 1/4 | 5/16 | 5/16 | 5/16 | 5/16 | 3/8 |
| 400-600 | 1/4 | 1/4 | 1/4 | 1/4 | 5/16 | 5/16 | 5/16 | 3/8 | 3/8 |
| 600-800 | 1/4 | 1/4 | 1/4 | 5/16 | 5/16 | 5/16 | 3/8 | 3/8 | 3/8 |
| 800-1000 | 1/4 | 1/4 | 1/4 | 5/16 | 5/16 | 5/16 | 3/8 | 3/8 | 7/16 |
| 1000-1500 | 1/4 | 5/16 | 5/16 | 5/16 | 3/8 | 3/8 | 3/8 | 3/8 | |
| 1500-2000 | 1/4 | 5/16 | 5/16 | 5/16 | 3/8 | 3/8 | 7/16 | 7/16 | |
| SOURCE: AWWA STANDARD A 100-84 | |||||||||