---
kind: "section"
citation: "50 C.F.R. § 29.113"
title: "50"
number: "29.113"
heading: "What hydrologic standards must I meet?"
url: "https://uscodex.org/cfr/50/29.113"
---

# §29.113. What hydrologic standards must I meet?


You must:

- (a) **Construct facilities in a manner that maintains hydrologic movement and function.**
- (b) **Not cause measurable degradation of surface water or groundwater beyond that of existing conditions.**
- (c) **Conduct operations in a manner that maintains natural processes of erosion and sedimentation.**

## Notes

### Source

Source: 81 FR 79971, Nov. 14, 2016, unless otherwise noted.

### Authority

Authority: 5 U.S.C. 301; 16 U.S.C. 460k, 664, 668dd, 685, 690d, 715i, 725, 3161; 30 U.S.C. 185; 31 U.S.C. 3711, 9701; 40 U.S.C. 319; 43 U.S.C. 315a; 113 Stat. 1501A-140.

### Source

Source: 31 FR 16026, Dec. 15, 1966, unless otherwise noted.