N.H. Code Admin. R. Env-Wt 803.08
(a) For permittee-responsible mitigation, other than for stream impacts, the applicant shall demonstrate that the compensatory mitigation plan meets or exceeds the ratios listed in Table 800-1, relative to the amount of impacted jurisdictional areas:
Table 800-1: Minimum Compensatory Mitigation Ratios
Resource Type
Creation
Restoration
Enhancement
Aquatic Resource Buffer Preservation
Hydrologic
Vegetative
Bog or Fen
N/A
2:1
5:1
10:1
15:1
Tidal Wetlands
3:1
2:1
5:1
10:1
15:1
Forested
1.5:1
1.5:1
5:1
10:1
10:1
Undeveloped Tidal Buffer Zone
N/A
2:1
5:1
10:1
3:1
All Other Jurisdictional Areas
1.5:1
1:1
5:1
10:1
10:1
Source. (See Revision Note at part heading for Env-Wt 803) #11000, eff 2-1-16; ss by #12808, eff 12-15-19 (See Revision Notes #1 and #2 at chapter heading for Env-Wt 800)