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Calcimator

Wetland Mitigation Cost Calculator

Compare wetland mitigation bank credits versus permittee-responsible mitigation costs.

Required Mitigation Acres

5

Bank Credit Cost

$375,000.00

Permittee Total Cost

$375,000.00

Inputs

acres
:1
$/acre
$/acre
years
$/acre/yr

Comparison

Construction Cost

$250,000.00

Total Monitoring Cost

$125,000.00

Savings (Cheaper Option)

$0.00

Cheaper Option (1=Bank, 2=Permittee)

1

Cost per Impacted Acre

$150,000.00

Cost vs. Benefit Analysis

Cost Breakdown

How to Use This Calculator
  1. Enter Impacted Wetland Acres — the wetland area that will be permanently affected by development.
  2. Set Mitigation Ratio — typically 2:1, meaning 2 acres of mitigation per 1 acre impacted.
  3. Enter Bank Credit Cost per acre from the nearest approved wetland mitigation bank.
  4. Set Permittee Construction Cost per acre if you plan to construct mitigation on-site.
  5. Enter Monitoring Years and Annual Monitoring Cost per acre for the compliance period.
  6. Compare Bank Credit Cost vs. Permittee Total Cost — bank credits are often more reliable but more expensive.

How the result changes with Impacted Wetland Acres

Impacted Wetland AcresRequired Mitigation AcresBank Credit CostPermittee Total Cost
50100$7,500,000.00$7,500,000.00
175350$26,250,000.00$26,250,000.00
325650$48,750,000.00$48,750,000.00
450900$67,500,000.00$67,500,000.00

What each input means

Impacted Wetland Acres
Total wetland acres that will be impacted by development.
Mitigation Ratio
Required mitigation ratio (e.g., 2:1 = 2 acres mitigated per 1 impacted).
Bank Credit Cost
Cost per acre of mitigation bank credits.
Permittee Construction Cost
Per-acre cost for permittee-responsible wetland construction.
Monitoring Period
Required monitoring period after construction.
Annual Monitoring Cost
Annual per-acre monitoring and reporting cost.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Impacted Wetland Acres = 2.5, Mitigation Ratio = 2, Bank Credit Cost = 75000, Permittee Construction Cost = 50000 = 6 input(s) provided
  2. Calculate Required Mitigation Acres
    Required Mitigation Acres
    5 = 5
  3. Calculate Bank Credit Cost
    Bank Credit Cost
    375000 = $375,000
  4. Calculate Permittee Total Cost
    Permittee Total Cost
    375000 = $375,000
  5. Calculate Construction Cost
    Construction Cost
    250000 = $250,000
  6. Calculate Total Monitoring Cost
    Total Monitoring Cost
    125000 = $125,000

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.

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