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Loveland I-25 Diesel Spill

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Earthen berm location with water being extracted for disposal<br />Date Taken: 4/5/2021<br />Category: Removal<br />Latitude: 40.3913685916667<br />Longitude: -104.993740555556<br />Tags:
An eastern view of underflow dam 2. A breakage in the middle of the dam can be seen. The underlie dam has been reenforced.<br />Date Taken: 3/25/2021<br />Category: Removal<br />Latitude: 40.3927875<br />Longitude: -104.99381<br />Tags:
SW facing view of retention pond / check dam and visible sheen present on south end of dam.<br />Date Taken: 3/22/2021<br />Category: Assessment<br />Latitude: 40.3889744722222<br />Longitude: -104.993731711111<br />Tags:
Contractor using an oil skimmer to remove additional free product from drainage ditch surface on west side of I-25<br />Date Taken: 3/21/2021<br />Category: Removal<br />Latitude: 40.3913472222222<br />Longitude: -104.993797222222<br />Tags:
Intersection of Cherrywood Ln and Blackwood Ln, community air monitoring. No VOC level of concern was found at this location.<br />Date Taken: 3/20/2021<br />Category: Air Monitoring<br />Latitude: 40.3922170277778<br />Longitude: -104.988804138889<br />Tags: Air Monitoring
UAS aerial photo of the incident and berms placed to contain product (Source: Colorado State Police)<br />Date Taken: 3/20/2021<br />Category: UAS<br />Latitude: 40.3910834166667<br />Longitude: -104.993569722222<br />Tags:
LDS-04 surface water sample location; up stream of the confluence on the Big Thompson River.<br />Date Taken: 3/20/2021<br />Category: Assessment<br />Latitude: 40.3974341944444<br />Longitude: -104.994802833333<br />Tags: Sampling
Confluence of ditch on westside of I-25 S and the Big Thompson River.<br />Date Taken: 3/20/2021<br />Category: Assessment<br />Latitude: 40.3970390277778<br />Longitude: -104.993833944444<br />Tags:
LDS-03 surface water sample location; water flowing N towards the Big Thompson River.<br />Date Taken: 3/20/2021<br />Category: Assessment<br />Latitude: 40.3959692638889<br />Longitude: -104.993777291667<br />Tags: Sampling
LDS-03 surface water sample location; water flowing N towards the Big Thompson River.<br />Date Taken: 3/20/2021<br />Category: Assessment<br />Latitude: 40.3959735555556<br />Longitude: -104.993774833333<br />Tags: Sampling
Between eastside of I-25 N and frontage Rd, observed fuel entering the ditch.<br />Date Taken: 3/20/2021<br />Category: Assessment<br />Latitude: 40.3863130722222<br />Longitude: -104.993056888889<br />Tags:
Between eastside of I-25 N and frontage Rd, observed fuel entering the ditch.<br />Date Taken: 3/20/2021<br />Category: Assessment<br />Latitude: 40.3862735333333<br />Longitude: -104.993070847222<br />Tags:
UAS aerial photo of the incident. (Source: Colorado State Patrol).<br />Date Taken: 3/20/2021<br />Category: UAS<br />Latitude: 40.3878816666667<br />Longitude: -104.993511611111<br />Tags:
UAS aerial photo of the incident. (Source: Colorado State Patrol).<br />Date Taken: 3/20/2021<br />Category: UAS<br />Latitude: 40.3836209444444<br />Longitude: -104.993278055556<br />Tags:
UAS aerial photo of the incident looking towards the location of the accident. (Source: Colorado State Patrol).<br />Date Taken: 3/20/2021<br />Category: UAS<br />Latitude: 40.3933471944444<br />Longitude: -104.993435611111<br />Tags:
UAS Aerial Photo (Source: Colorado State Police)<br />Date Taken: 3/20/2021<br />Category: UAS<br />Latitude: 40.3863359166667<br />Longitude: -104.9935115<br />Tags:
UAS aerial photo at the location of the accident. (Source: Colorado State Patrol).<br />Date Taken: 3/20/2021<br />Category: UAS<br />Latitude: 40.3863701111111<br />Longitude: -104.993309416667<br />Tags:
UAS aerial photo of the incident (Source: Colorado State Police)<br />Date Taken: 3/20/2021<br />Category: UAS<br />Latitude: 40.3892024166667<br />Longitude: -104.993392472222<br />Tags:
UAS aerial photo at the location of the accident. (Source: Colorado State Patrol).<br />Date Taken: 3/20/2021<br />Category: UAS<br />Latitude: 40.38489625<br />Longitude: -104.993258694444<br />Tags:
View of constructed berm to contain impacted water<br />Date Taken: 3/21/2021<br />Category: Containment<br />Latitude: 40.3897472222222<br />Longitude: -104.993736111111<br />Tags:

Earthen berm location with water being extracted for disposal An eastern view of underflow dam 2. A breakage in the middle of the dam can be seen. The underlie dam has been reenforced. SW facing view of retention pond / check dam and visible sheen present on south end of dam. Contractor using an oil skimmer to remove additional free product from drainage ditch surface on west side of I-25 Intersection of Cherrywood Ln and Blackwood Ln, community air monitoring. No VOC level of concern was found at this location. UAS aerial photo of the incident and berms placed to contain product (Source: Colorado State Police) LDS-04 surface water sample location; up stream of the confluence on the Big Thompson River. Confluence of ditch on westside of I-25 S and the Big Thompson River. LDS-03 surface water sample location; water flowing N towards the Big Thompson River. LDS-03 surface water sample location; water flowing N towards the Big Thompson River. Between eastside of I-25 N and frontage Rd, observed fuel entering the ditch. Between eastside of I-25 N and frontage Rd, observed fuel entering the ditch. UAS aerial photo of the incident. (Source: Colorado State Patrol). UAS aerial photo of the incident. (Source: Colorado State Patrol). UAS aerial photo of the incident looking towards the location of the accident. (Source: Colorado State Patrol). UAS Aerial Photo (Source: Colorado State Police) UAS aerial photo at the location of the accident. (Source: Colorado State Patrol). UAS aerial photo of the incident (Source: Colorado State Police) UAS aerial photo at the location of the accident. (Source: Colorado State Patrol). View of constructed berm to contain impacted water View of absorbent booms placed across drainage ditch to prevent continued migration of free product View of cascading drainage system installed to prevent migration of free product View of surface water sheen upstream of absorbent booms in drainage ditch along I-25 View of floating containment boom used to prevent continued migration of free product Free product stopped by berm located on I-25 South. Culvert underflow location. Small underflow dam on westside of I-25S. Bermed area where pooled runoff is being held for vacuum truck removal. Culvert underflow dam. Contractor removing impacted material from drainage ditch between I-25 North and Frontage Road View of I-25 South following milling of impacted roadway View of removed impacted asphalt following milling View of drainage ditch following removal efforts of impacted soil and water along I-25 South Overview of non-impacted water from the Hillsboro Ditch being diverted to adjacent pond Contractor removing impacted material from drainage ditch along I-25 South View of impacted roadway and removal operations. View of skimming operations along drainage ditch. Non-impacted water from the Hillsboro Ditch being diverted to adjacent pond. Runoff on eastside of I-25 N turns west into the box culvert and enter surface drainage on westside of I-25 S. NE corner of Ridgewood Dr. No VOC level of concern was found at this location. NE side of Kenwood Cir. No VOC level of concern was found at this location. Intersection of Balsawood Ln and Briarwood Blvd, community air monitoring. No VOC level of concern was found at this location. Intersection of Summerwood Ln and Briarwood Blvd, community air monitoring. No VOC level of concern was found at this location. Abundant Life Tabernacle, community air monitoring. No VOC level of concern was found at this location. Intersection of Arrowwood Ln and Ravenswood Ln, community air monitoring. No VOC level of concern was found at this location. Intersection of Sandalwood Ln and Eaglewood Ln, community air monitoring. No VOC level of concern was found at this location. Intersection of Kirkwood Lane and Silverwood Dr, community air monitoring. No VOC level of concern was found at this location. Valley Wood Court, community air monitoring location. No VOC level of concern was found at this location. River Ranch Parkway New Subdivision, community air monitoring. No VOC level of concern was found at this location. Abundant Life Tabernacle, community air monitoring location. No VOC level of concern were found at this location. Abundant Life Tabernacle, community air monitoring location. No VOC level of concern was found at this location. Looking northeast at an asphalt patch on I-25 North. Asphalt operations being conducted on I-25 Northbound. Asphalt operations on I-25 Northbound looking northeast. Water diversion operations in the ditch on the west side of I-25. Site operations in northbound I-25. Removal of diesel fuel-impacted water in drainage ditch west of I-25. Surface water sample location LDS-05-SW-06 and LDS-05-SW-06-DUP. Upstream view looking south above culvert in ditch on west side of I-25. Booms and water diversion pump in the ditch west of I-25. Temporary retention basin west of I-25 and next to private pond. Roadway under I-25 where runoff from east ditch flows to west ditch. Ditch area west of I-25 near water diversion activities. Temporary retention basin west of I-25. Earthen berm and straw wattle in ditch north of the temporary retention basin. Skimming operations to remove diesel fuel from the ditch that runs along I25. Underflow dam in the ditch that runs west of I-25. Earthen berm and boom in the ditch that runs on the west side of I -25. Ditch that runs on the west side of I-25 looking northwest. Earthen berm in the ditch that runs on the west side of I-25. Water runoff from northbound I-25 to ditch on the east side of I25. Water runoff gutter on the east side of I-25. Water runoff gutter with water flowing through the roadway under I-25 to the ditch west of I-25. Tunnel and roadway that connects the ditches that run on the east and west sides of I25. Discharge point from water diversion activities. Earthen berm just to the north of the temporary retention basin. Earthen berm and underflow dam in the ditch that runs west of I-25. Looking south from a berm and boom location in the ditch that runs on the west side of I-25. Boom in the ditch that runs on the west side of I-25. Earthen berm and underflow dam in the ditch that runs west of I-25. Upstream view taken from the earthen berm and underflow dam in the ditch that runs west of I-25. Downstream view taken from the earthen berm and underflow dam in the ditch that runs west of I-25. Earthen berm and underflow dam in the ditch that runs west of I-25. Absorbent boom in the ditch that runs west of I-25. Upstream view taken from the earthen berm and underflow dam in the ditch that runs west of I-25. Downstream view taken from the earthen berm and underflow dam in the ditch that runs west of I-25. Earthen berm and underflow dam in the ditch that runs west of I-25. Boom in the ditch that runs west of I-25 near its confluence with the Big Thompson River. East facing view of well functioning under flow dam 2. Apparently impacted material held to the south and apparent clear effluent discharged to north end. West facing view of well functioning under flow dam 2. Apparently impacted material held to the south and apparent clear effluent discharged to north end. Northwestern view of boom located on west side of I-25 on southern side of culverted land bridge. Apparent oil sheen present inside and outside of device. Eastern view of boom located west of I-25 and south of culverted land bridge. Apparent oil sheen visible inside and outside of device. Eastern view of north side of culverted land bridge. Apparent oil sheen visible north of feature. Southwestern view of north side of culverted land bridge. Apparent oil sheen visible north of feature. Eastern view of sluice gate located west of culverted land bridge. Gate controls water run-off from irrigation canal and flows into private pond west of access road. Gate observed to be closed. Eastern view of access to spill removal site. Underpass below I-25. Site can be accessed from frontage road East of the interstate. Apparent impacted water standing throughout area. North facing view of retention pond and check dam. Faint sheen observed throughout area with heavier patches around exterior of feature. North facing view of ditch immediately north of check dam and temporary retention pond. Sheen faintly visible. Western facing view of water diversion operation. Water being diverted to roadside ditch west of I-25 and north of retention pond/check dam. Eastern facing view of culverts under I-25 and water diversion point west of I-25. Sheen visible in patches immediately west of culverts in view Southern facing view of diverted flow of stream channel south of temporary retention pond and check dam. Flow is diverted into eastern drainage ditch north of temporary retention pond and check dam. Eastern facing view of boom and drainage ditch east of private pond. Apparent washout staining in ditch. Western facing view of boom and drainage ditch east of private pond. Apparent washout staining in ditch. Eastern facing view of discharge location of diverted stream channel into drainage ditch west of I-25. Eastern facing view of under flow dam 3. Faint sheen visible on south end of feature, little to no sheen visible on north end of feature. Eastern facing view of under flow dam 3. Faint sheen visible on south end of feature, little to no sheen visible on north end of feature. Southeast facing view of drainage ditch north of under flow dam 3 and south of river confluence. Little to no sheen visible. Southwestern facing view of previously collected surface water sample location LDS-05 at underpass of I-25. No sheen visible in the area. Southern facing view of confluence of drainage ditch west of I-25 and Big Thompson River. Little to no visibly impacted water or soil visible. Observed recently removed boom staged on shoreline. Southern facing view of built up and boomed area immediately northeast of river confluence and I-25. No visibly impacted water or soil visible. Western facing view of sample location of previously collected LDS-02 from private pond West of I-25. No sheen visible. Eastern facing view of underflow dam 1, located along drainage ditch west of I-25. Feature is holding back apparent heavily impacted material to the south and discharging apparent clear effluent to the north. Light sheen visible to the north of feature Northeastern view of underflow dam 1, located along drainage ditch west of I-25. Significant apparent oil sheen observed on southern side of feature. Reduced oil sheen observed on northern side of dam relative to southern side. Western view of northern side of under flow dam 1. The feature appears to be retaining a noticeable amount of apparently impacted material on the southern side. A western view of the south side of the underflow dam 1. The feature appears to be functioning well. Observed majority of apparent heavily impacted material held to the south of feature. Eastern facing view of apparently impacted standing water on western ditch east of private pond. No flow observed in visible area. An eastern facing view of drainage ditch west of highway. An apparent oily sheen is observed between underflow dams 1 and 2. Eastern facing view of earthen dike. Western side has failed. Sheen visible on both north and south end. Feature was installed by Fire Department and is not being used by EPA. Northeastern facing view of earthen dike. Western side has failed. Sheen visible on both north and south end. Feature was installed by Fire Department and is not being used by EPA. Southern view of gravel road west of I-25, near water diversion point of adjacent stream channel. An oil smell is present from pooled water in puddle. Eastern view underflow dam 1. Little sheen is observed on the upstream side of the boom. Eastern view of downstream side of boom at underflow dam 1. Water appears to clear, with little to no oily sheen. An eastern view of the western bank of I-25, a noticeable dark stain can be seen above stream channel. A southeastern view of creek west of highway, an oil sheen is seen upstream of the boom in place. A western view of stream channel west of I-25. When agitated an oil sheen is seen upstream of boom measure in the water. A western view of underflow dam 3 (most northern). Little to no oily sheen can be seen on the upstream side of the dam. A western view of the confluence of stream west of highway and big Thompson River. Little to no oil sheen is observed in water. Drainage ditch east of I-25 North following removal efforts. Installation of the gaurdrail along the east side of I-25 North. Straw wattles installed across the drainage ditch east of I-25 North. Area of excavation near south end of spill. The new asphalt road surface along I-25 North. Storm drain secured using straw wattles, sand bags, and fabric. Cement drainage ditch east of I-25 North. Water being diverted from Hillsboro ditch to an entry point further south along the drainage ditch west of I-25. Sump constructed near east terminal of Hillsboro ditch to divert water to an entry point further south along the drainage ditch of I-25. Excavation area west of I-25 South. Stained vegetation and soil west of I-25 South near south end of spill area. Straw wattles installed across the drainage ditch west of I-25 South. Excavated ditch transition to cement drainage ditch west of I-25 South. Primary area of excavation west of I-25 South. Berm constructed immediately north of primary excavation area west of I-25 South. Staining observed on vegetation adjacent to drainage ditch west of I-25 South. Underflow dam contructed across drainage ditch west of I-25 South. Absorbent boom placed across drainage ditch upstream of dam. Environmental contractor placing oil only abosorbent pads in in drainage ditch near depoloyable booms. Underflow dam contructed across drainage ditch west of I-25 South. Absorbent boom placed across drainage ditch upstream and downstream of dam. Underflow dam contructed across drainage ditch west of I-25 South. Absorbent boom placed across drainage ditch upstream of dam. Northern most underflow dam constructed across drainage ditch west of I-25 South. Drainage ditch west of I-25 south looking south near confluence with the Big Thompson River. Drainage ditch confluence with the Big Thompson River west of I-25 South. Oil only abosorbent pads and boom placed upstream of underflow dam in drainage ditch west of I-25 South. Oil only abosorbent pads placed upstream of boom in drainage ditch west of I-25 South. Fresh asphalt curb in the east shoulder of northbound I-25 Irrigation ditch at pump/ water diversion location showing no visible signs of sheen on water surface. Drainage ditch west of I-25 south of pump/water diversion area near the spill site with straw wattles in place. Temporary retention basin with large earthen berm mostly removed from north end of basin Temporary retention basin with large earthen berm mostly removed from north end of basin Earthen berm/ under flow dam in ditch east of I-25. Roll-off bin on site for disposal of absorbent booms and pads. Earthen berm location with water being extracted for disposal Earthen berm/under flow dam location. There is no longer a boom in place and water is breaching the berm. Earthen berm/under flow dam in east ditch. Boom no longer in place. Northernmost earthen berm/under flow dam in east ditch Confluence of east ditch and Big Thompson River