36 CFR § 9.112 - What hydrologic standards must I meet?

---
identifier: "/us/cfr/t36/s9.112"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "36 CFR § 9.112 - What hydrologic standards must I meet?"
title_number: 36
title_name: "Parks, Forests, and Public Property"
section_number: "9.112"
section_name: "What hydrologic standards must I meet?"
chapter_name: "NATIONAL PARK SERVICE, DEPARTMENT OF THE INTERIOR"
part_number: "9"
part_name: "MINERALS MANAGEMENT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
cfr_part: "9"
---


# 9.112 What hydrologic standards must I meet?

(a) You must maintain hydrologic connectivity between surface water and groundwater during all operations.

(b) You must not cause measurable degradation of surface water or groundwater.

(c) You must conduct operations in a manner that maintains natural channel and floodplain processes and functions.