| 评价项目 | 参评井数(个) | I~III类 | IV类 | V类 | |||
| 数量(个) | 比例(%) | 数量(个) | 比例(%) | 数量(个) | 比例(%) | ||
| 总硬度 | 23 | 22 |
| 1 | 4.3 |
|
|
| 溶解性总固体 | 23 | 23 | 100 |
|
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|
|
| Cl− | 23 | 23 | 100 |
|
|
|
|
|
| 23 | 23 | 100 |
|
|
|
|
|
| 23 | 22 | 95.7 | 1 | 4.3 |
|
|
|
| 23 | 23 | 100 |
|
|
|
|
|
| 23 | 22 | 95.7 | 1 | 4.3 |
|
|
| 总铁 | 23 | 19 | 82.6 | 2 | 8.7 | 2 | 8.7 |
| F− | 23 | 23 | 100 |
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| Cu | 23 | 23 | 100 |
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|
|
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| Mn | 23 | 17 | 73.9 | 6 | 26.1 |
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| Zn | 23 | 23 | 100 |
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| Cr | 23 | 23 | 100 |
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| As | 23 | 23 | 100 |
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| Pb | 23 | 22 | 95.7 | 1 | 4.3 |
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| Cd | 23 | 22 | 95.7 | 1 | 4.3 |
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