- Changes in liquid/water level but must show that change in level is not due to evaporation

- Seepage around pond/containment facility

- Contaminant detection in groundwater monitoring well(s)

- Pressure transducer – placed in stilling well on opposite sides or in LDZ sump show different liquid pressures

- Add chloride to liquid and conduct subsequent geophysical testing to detect chloride outside of facility

- Add dye to liquid and monitor adjacent wells

- Measure flow in Leak Detection Zone (LDZ) if present

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