FAQs • Placer County, CA • CivicEngage

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Environmental Health - Groundwater Wells & Soil Borings

1. What is the cost for monitoring well installation/destruction permits?: The monitoring well installation/destruction fee (PDF) is required for each well.

2. When is an exploratory soil boring permit needed?: If the soil boring will be advanced within 10 feet of groundwater or greater than 10 feet below ground surface.

3. What is the cost for exploratory soil borings?: The soil boring fee is required for the first two soil borings per parcel.

4. Do shallow soil vapor sampling wells (e.g. typically 5 feet deep) require a well permit?: Yes, however, the fee is only required for the first two shallow soil vapor sampling wells per parcel (similar to the soil boring fee).

5. What well destruction procedures are acceptable methods for Placer County requirements?: Over drilling and pressure grouting are acceptable well destruction methods in accordance with Department of Water Resources (DWR) well standards (Bulletin 74-81 and 74-90). If pressure grouting is performed, over drilling of the top 5 feet is required in most circumstances. Sparge wells constructed using a micro-porous point are not suitable for pressure grouting and are required to be over drilled.