os NORMANDEAU City of Nashua
ARS ASSOCIATES June 18, 2019
ENVIRONMENTAL CONSULTANTS
Page 5
Assess nearfield attraction to and entrance efficiency of fish lift.
Collect lift efficiency data to include rates of approach to fishway entrances, entry into the fishway,
and passage under varied operational! conditions.
Determine proportion of post-spawned adult downstream migration route selection, passage
efficiency, and delay associated with the power canal under various operating conditions.
Compare rates and measures of delay and movement among project areas and routes utilized.
Agency Recommended Approach:
Two year evaluation using minimum of 100 adult American shad and 100 adult river herring tagged
with radio-transmitters and PIT tags
Release locations upstream and downstream of Mine Falls Project
Suggested Approach:
Push back on including adult shad in this study until a time when they are volitionally reaching the
Project.
Propose a single year of study to evaluate — include language in the PSP that a second year of study
would only be considered if targeted sample sizes could not be obtained or river conditions lie far
outside of seasonal flow range.
Approach 1 - Full Study:
o Tag 100 radio/PIT adult herring and 100 PIT only adult herring at Jackson’ to evaluate
upstream fishway at Mine Falls
Tag 100 radio adult herring from Jackson to evaluate downstream passage at Mine Falls
Assumes installation and maintenance of approximately 8 radio telemetry and 2 PIT receivers
for period May-July
Approach 2 - Reduced Study:
o Tag 75 radio/PIT adult herring and 100 PIT only adult herring at Jackson to evaluate upstream
fishway at Mine Falls
Tag 50 radio adult herring from Jackson to evaluate downstream passage at Mine Falls
Assumes installation and maintenance of approximately 8 radio telemetry and 2 PIT receivers
for period May-July
Approach 3 - Minimum Study:
Oo Tag 25 radio/PIT adult herring and 100 PIT only adult herring at Jackson to evaluate upstream
fishway at Mine Falls
o No releases of tagged herring upstream of Project to evaluate downstream passage at Mine
Falls — rely on potential radio-tagged fish released downstream to collect minimal data on
outmigration
o Assumes installation and maintenance of approximately 8 radio telemetry and 2 PIT receivers
for period May-July
* Jackson refers to the Jackson Mills Project (FERC No. 7590) which is located on the Nashua River downstream of Mine
Fails and is also owned by the City of Nashua
