To ensure that no unmitigated adverse impacts to water users or water-dependant natural resources occur as a result of a new large groundwater withdrawal established after July 1998. Adverse impacts are defined in RSA 485-C:21, V-c.
A large groundwater withdrawal permit is required for any withdrawal from groundwater of 57,600 gallons or more of water in any 24-hour period from a well or wells installed after July 1998 at a single property or place of business. Large groundwater withdrawals from new wells that replace a well or wells installed prior to August 1998 do not require a large groundwater withdrawal permit but do require approval from the Large Groundwater Withdrawal Permitting Program.
Statute and Administrative Rules
RSA 485-C:14-a Notification of Large Groundwater Withdrawal Required
RSA 485-C:21 Approval for Large Groundwater Withdrawals
RSA 485-C:22 Exemptions for Large Groundwater Withdrawals from Replacement Wells
Env-Wq 403 Large Groundwater Withdrawals (Rules include specific application information for all large groundwater withdrawals.)
All application materials submitted must be accompanied by a Large Groundwater Withdrawal Permit Application Notification Form.
Requirements also include submitting a water conservation plan with the preliminary application. See Water Conservation Plan Guidance Document for Community Water Systems. For all other water uses, see Water Conservation Rules for plan requirements.
The entire permitting process typically takes a minimum of 18 months following the submittal of a complete preliminary report application. The length of and timeline for the permitting process is summarized in item No. 8 of DES fact sheet Frequently Asked Questions Regarding Large Groundwater Withdrawal Permitting in New Hampshire . More processing time information under section More Information below.
Term is 10 years. A renewal application is required to be submitted at least one year prior to the permit expiration date, unless otherwise specified in the permit. Permits may be renewed for an unlimited number of 10-year terms, provided the requirements continue to be satisfied. Permits that are not utilized expire five years after the date of issuance. Approvals of replacement wells do not expire.
A permit holder may request modifications in writing to permit conditions provided permit requirements continue to be satisfied. The Large Groundwater Withdrawal Permitting Program may modify permit conditions based on information submitted in support of the permit, or to accommodate for drought conditions, or new withdrawals in accordance with RSA 485-C:21, V-d.
The permit holder must notify the Large Groundwater Withdrawal Permitting Program in writing within 30 days of any change of permit ownership or owner’s address.
The Large Groundwater Withdrawal Permitting Program makes every effort to process preliminary and final reports submitted in support of a permit application within the required 45-day written comment period and provide comments shortly after the close of the comment period; however, the extent of public involvement, complexity of the project, and degree of completeness of the submittal may increase the processing time. Supplemental information in support of a permit application is typically processed within 30 days of receipt. Applications for replacement well approval are typically processed within 30 days of receipt.
Timeline information regarding public input on a preliminary or final report is summarized in fact sheet Large Groundwater Withdrawals Approval and Notification Requirements (Fact Sheet WD-DWGB-22-11).
Large Groundwater Withdrawal Permitting Program or (603) 271-8866.
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