Mill Brook - Basin 13

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Record: 4 Segment ID: M05- Stream Name: Mill Brook

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Rapid Habitat Assessment
RHA Reference Stream Type	Riffle-Pool		Stream Gradient Type
Dominant Bedform	Riffle-Pool	(Phase 1, Step 2.11)

	Overal Physical Habitat Condition
Habitat Assessment Scores
6.1	Woody Debris Cover	4
6.2	Bed Substrate Cover	10
6.3	Scour and Deposition Features	6
6.4	Channel Morphology	3
6.5	Hydrologic Characteristics	12
6.6	Connectivity	11
		Left	Right
6.7	River Banks	3	4
6.8	Riparian Area	6	7
6.9	Total Score	66
	Percentage	41
	Fair (Major Departure)
	SHTD Existing Habitat Type	Plane Bed

Legacy Habitat Assessment Scores
6.1	Epifaunal Substrate - Available Cover
6.2	Pool Substrate
6.3	Pool Variability
6.4	Sediment Deposition
6.5	Channel Flow Status
6.6	Channel Alteration
6.7	Channel Sinuosity
		Left	Right
6.8	Bank Stability
6.9	Bank Vegetation Protection
6.10	Riparian Vegetation Zone Width
	Total Score	0
	Condition Rating	0.00
6.11	Habitat Stream Condition

Comments

This reach has departed to plane bed due to scour during TSI and subsequent deposition as flood sediments work through the reach. Several large mass failures continue to contribute sediment, further filling any bed features. Wood was largely absent suggesting some type of mechanical removal following TSI. Percent exposed substrate and wetted width/bankfull width varied widely along the reach.