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[[File:monitoring-well-subgrade.jpg|400px|thumb|right|Monitoring well installed to subgrade.]]
Monitoring wells allow for measurement of water levels in the sub-surface components of LID practices. They are important for sampling procedures and ensuring that the LID feature are performing as intended.<br>
Monitoring wells allow for measurement of water levels in the sub-surface components of LID practices. They are important for sampling procedures and ensuring that the LID feature are performing as intended.<br>