Table 6
Observed 
values and material descriptions based on Bouwer Standards
Bouwer's standard ( ) | Observed ( ) | Well No | Materials |
|---|---|---|---|
| 0.2 | 0.210; 0.255 | W4, W16 | Clay soils (surface) |
| 10−8–10−2 | 0.060; 0.080; 0.060; 0.075; 0.088 | W6, W7, W8, W9, W10, W13,W14 | Deep clay beds |
| 0.1–1 | 0.125; 0.100; 0.190; 0.111 | W1, W2, W3,W5 | Loam soils |
| 1–5 | – | – | Fine sand |
| 5–20 | – | – | Medium sand |
| 20–100 | 95.060 | W11 | Coarse sand |
| 100–1,000 | 102.250; 270.100 | W12, W15 | Gravel |
| 5–100 | 95.060 | W11 | Sand and gravel mixes |
| 0.001–0.1 | 0.125; 0.100; 0.190; 0.111 | W1, W2, W3,W5 | Clay, sand and gravel mix |
| Bouwer's standard () | Observed () | Well No | Materials |
|---|---|---|---|
| 0.2 | 0.210; 0.255 | W4, W16 | Clay soils (surface) |
| 10−8–10−2 | 0.060; 0.080; 0.060; 0.075; 0.088 | W6, W7, W8, W9, W10, W13,W14 | Deep clay beds |
| 0.1–1 | 0.125; 0.100; 0.190; 0.111 | W1, W2, W3,W5 | Loam soils |
| 1–5 | – | – | Fine sand |
| 5–20 | – | – | Medium sand |
| 20–100 | 95.060 | W11 | Coarse sand |
| 100–1,000 | 102.250; 270.100 | W12, W15 | Gravel |
| 5–100 | 95.060 | W11 | Sand and gravel mixes |
| 0.001–0.1 | 0.125; 0.100; 0.190; 0.111 | W1, W2, W3,W5 | Clay, sand and gravel mix |