Interrogation Site Metadata
WEA - Wells Dam, DCPUD Adult Ladders
Status: Active - OperationalGeneral Operational Period: Year Round
Start Date: 1/24/2002 8:00 AM
Wells Dam Adult Fishways (both)
Current Operations
| Last File Loaded: | WEA-2024-115-P-021.json |
| Date Last File Loaded: | 4/24/2024 10:04 PM |
| Date Last File Opened: | 4/24/2024 8:00 PM |
| Date Last File Closed: | 4/24/2024 9:00 PM |
| Last Observation Tag: | 3DD.003DA29332 |
| Last Observation Date: | 4/23/2024 11:22 AM |
| Detection Summary: | Last Day's Observations |
Contacts
Location
Operational History
Operational history describes the period the site was interrogating for PIT tags. The comments provide anecdotal information about the operation of the site during this period. Site operational periods are updated typically at the end of the calendar year.
| Year | Start Date | End Date | Comments |
|---|---|---|---|
| 2024 | |||
| 2023 | 1/1/2023 12:00 AM | 1/1/2024 12:00 AM | Start and end dates based on timer tags. |
| 2022 | 1/1/2022 12:00 AM | 1/1/2023 12:00 AM | Start and end dates based on timer tags. |
| 2021 | 1/1/2021 12:00 AM | 1/1/2022 12:00 AM | Start and end dates based on timer tags. |
| 2020 | 1/1/2020 12:00 AM | 1/1/2021 12:00 AM | Start and end dates based on timer tags. See event logs for additional operational information. |
| 2019 | 1/1/2019 12:00 AM | 12/31/2019 12:00 AM | Start and end dates based on timer tags. |
| 2018 | 1/1/2018 12:00 AM | 1/1/2019 12:00 AM | Start and end dates based on timer tags. |
| 2017 | 1/1/2017 12:00 AM | 1/1/2018 12:00 AM | Start and end dates based on timer tags. |
| 2016 | 1/1/2016 12:00 AM | 1/1/2017 12:00 AM | Start and end dates based on timer tags. |
| 2015 | 1/1/2015 12:00 AM | 1/1/2016 12:00 AM | Left fishway watered up February 5. Right fishway returned to service April 15. |
| 2014 | 1/1/2014 12:00 AM | 1/1/2015 12:00 AM | East (left) fishway was out of service for maintenance from February 4-26 and was dewatered for the year on December 9. |
| 2013 | 1/1/2013 12:00 AM | 1/1/2014 12:00 AM | Left ladder watered up January 24. Right ladder was dewatered January 29 - February 21. |
| 2012 | 1/1/2012 12:00 AM | 1/1/2013 12:00 AM | The right ladder watered up on February 8. The left ladder was dewatere on December 4. Right ladder is scheduled to be dewatered in january 2013. |
| 2011 | 1/1/2011 12:00 AM | 1/1/2012 12:00 AM | The Left (East) ladder was dewatered between January 6-27, 2011 for maintenance. East ladder was dewatered on December 7. |
| 2010 | 1/1/2010 12:00 AM | 1/1/2011 12:00 AM | The left (East) ladder at Wells Dam was dewatered between December 22, 2009 and January 5, 2010. The right (West) ladder was dewatered between January 14 and February 3, 2010. The right (West) ladder was dewatered between December 16-29, 2010. |
| 2009 | 1/1/2009 12:00 AM | 1/1/2010 12:00 AM | The left (East) ladder at Wells Dam was dewatered between December 12, 2008 and January 21, 2009. The left ladder was dewatered again between December 22, 2009 and January 5, 2010. |
| 2008 | 1/1/2008 12:00 AM | 1/1/2009 12:00 AM | The West fish ladder at Wells Dam was dewatered for six hours on May 9, 2008, to accommodate a new PIT tag detection system at the top of the trap transport pipe. The original detectors at the base of the transport pipe were removed, and the new detectors were activated on May 12. The left (East) ladder was dewatered for winter maintenance on December 12, 2008. |
| 2007 | 1/1/2007 12:00 AM | 1/1/2008 12:00 AM | |
| 2006 | 1/1/2006 12:00 AM | 1/1/2007 12:00 AM | |
| 2005 | 1/1/2005 12:00 AM | 1/1/2006 12:00 AM | The left (East) ladder was dewatered on December 12, 2005. |
| 2004 | 1/1/2004 12:00 AM | 1/1/2005 12:00 AM | The right (West?) ladder was dewatered between December 3, 2003 and February 5, 2004 for annual maintenance. The left (East?) ladder was dewatered between February 11-24, 2004 for annual maintenance. |
| 2003 | 1/1/2003 12:00 AM | 1/1/2004 12:00 AM | The West Ladder was dewatered between 12/3/02 and 1/22/03 for annual maintenance. The East Ladder was dewatered between 1/27/03 and 2/20/03 for annual maintenance. The West ladder was dewatered from 8:30-9:34 on 4/25, and the East ladder from 10:08-10:48, for normal maintenance. The right (West?) ladder was dewatered from December 3, 2003 until February 5, 2004, for annual maintenance. |
| 2002 | 1/24/2002 8:00 AM | 1/1/2003 12:00 AM | This was the first year of adult PIT tag interrogation. PIT tag detectors in the Left Bank (East) ladder were activated on 1/24/02. PIT tag detectors in the Right Bank (West) ladder were activated when the ladder watered up for the season on 3/29/02. The West ladder was dewatered between 12/3/02 and 1/22/03 for annual maintenance. |
Configuration
Configuration metadata includes details about the equipment used at the site to detect and record PIT tags. A new configuration sequence record is created when equipment is added or removed from the site and the period of time it was active. A configuration sequence without an End Date is currently active.
| Antenna Group | Transceiver ID | Antenna ID |
|---|---|---|
| Left Ladder Pool 68 | 01 | 01 |
| Left Ladder Pool 68 | 02 | 02 |
| Left Ladder Pool 67 | 03 | 03 |
| Left Ladder Pool 67 | 04 | 04 |
| Right Ladder Pool 68 | 05 | 05 |
| Right Ladder Pool 68 | 06 | 06 |
| Right Ladder Pool 67 | 07 | 07 |
| Right Ladder Pool 67 | 08 | 08 |
| East Trap | 09 | 09 |
| East Trap | 0A | 0A |
| West Trap | B0 | B1 |
| West Trap | B0 | B2 |
| West Trap | B0 | B3 |
| Left Ladder Pool 19 | A1 | A1 |
| Left Ladder Pool 19 | A2 | A2 |
| Right Ladder Pool 19 | A3 | A3 |
| Right Ladder Pool 19 | A4 | A4 |
Site Configuration Diagrams:
Equipment History
Select a type to view the history of equipment installed at this site. A missing End Date implies the information about the equipment is current.
| Equipment Code | Description | Start Date | End Date |
|---|
Photos
Event Log Summary
This displays the last 25 events, to see the full history, log in to the Event Logs.
| Event Date | Event Type | Comments |
|---|---|---|
| 1/4/2023 9:05:00 AM | General |
The east (left) fishway at Wells Dam was dewatered for annual maintenance at approximately 9:05 AM on January 4, 2023. |
| 12/15/2022 12:10:00 PM | General |
The west (right) fishway at Wells Dam was returned to service at approximately 12:10 PM on December 15, 2022, following routine annual maintenance. |
| 12/5/2022 9:25:00 AM | General |
The west (right) fishway at Wells Dam was dewatered for annual maintenance beginning around 9:20 AM on December 5, 2022. |
| 3/1/2022 9:15:00 AM | General |
The right (west) fishway at Wells Dam was returned to service on March 1, 2022 at approximately 9:15 AM PST, following annual maintenance. |
| 2/1/2022 9:00:00 AM | General |
The right (west) fishway at Wells Dam was dewatered for annual maintenance at approximately 9:00 AM PST on February 1, 2022 |
| 1/26/2022 6:25:00 AM | General |
The east (river-left) fishway at Wells Dam was returned to service at approximately 6:25 AM PST on 26 January 2022, following completion of annual maintenance |
| 1/18/2022 9:30:00 AM | General |
The east (river-left) fishway at Wells Dam was dewatered for annual maintenance at approximately 9:30 AM PST on 18 January 2022. |
| 2/1/2021 8:00:00 AM | General |
The east (left) ladder was taken out of service at approximately 8:35 AM PDT on February 1, 2021, for routine winter maintenance |
| 1/26/2021 12:35:00 PM | General |
The west (right) ladder was returned to service at approximately 12:35 PM PDT on January 26, 2021, following routine winter maintenance |
| 1/5/2021 9:00:00 AM | General |
The west (right) ladder at Wells Dam was taken out of service for annual maintenance at approximately 9:00 AM PST on January 5, 2021 |
| 3/26/2020 1:00:00 PM | General |
The right (west) fishway at Wells Dam was returned to service at approximately 12:55 pm on 3/26/2020, following extensive maintenance. |
| 2/11/2020 3:00:00 PM | General | O&M visit on 2/11/20. Performed data computer updates and reader firmware updates on left bank trap readers and lamprey entrance antennas. |
| 2/4/2020 11:00:00 AM | General |
The west (right) fishway at Wells Dam was dewatered around 11:00 AM on 2/4/2020 for routine maintenance. |
| 2/3/2020 11:00:00 AM | General |
The Wells east (left) fishway was returned to service on the morning of 2/3/2020, following routine maintenance |
| 1/7/2020 4:03:00 PM | General |
The east (left) fishway at Wells Dam was dewatered for winter maintenance on 1/7/2020 at approximately 9:30 AM. |
| 5/1/2019 9:56:00 AM | General |
The west (right) adult fishway was returned to service at 11:00 AM on May 1, 2019, following winter maintenance and major service |
| 2/12/2019 1:00:00 PM | General |
The west (right) adult fishway was taken out of service for winter maintenance around 1:00 PM on February 12, 2019. The east (left) adult fishway remained in service during this outage. |
| 2/5/2019 11:51:00 AM | General |
The east (left) adult fishway was returned to service at 11:51 AM on February 5, 2019, upon completion of winter maintenance |
| 1/7/2019 10:30:00 AM | General |
The east (left) ladder at Wells Dam was dewatered for annual maintenance at approximately 10:30 AM on January 7, 2019. The right (west) ladder will remain in service during this outage. |
| 12/31/2018 8:00:00 AM | SiteUp | WEA recovered from a power outage that took it down from 8:50 AM (PST) on December 26, 2018 through 7:50 AM (PST) on December 31, 2018 |
| 12/26/2018 9:00:00 AM | SiteDown | A power outage took down WEA from 8:50 AM (PST) on December 26, 2018 through 7:50 AM (PST) on December 31, 2018 |
| 3/13/2018 7:29:00 AM | General | O&M visit on 3/13. All readers tuned and tested. Windows updates installed on data PCs. |
| 2/7/2018 12:00:00 PM | General |
The Wells east fishway returned to service on February 7, 2018 at approximately noon, following routine annual maintenance. |
| 1/30/2018 9:00:00 AM | General |
Wells East fishway was taken out of service for annual maintenance on January 30, 2018. Antennas 01-04 would have been dewatered around 9:00 AM, and antennas A1 and A2 around 11:00 AM. |
| 1/24/2018 12:00:00 PM | General |
Wells West fishway returned to service on January 24, 2018, following annual maintenance. Exact time not specified |