The clean up following last evening's train derailment a little west of Swift Current is going smoothly.

Around 6 p.m. yesterday a west-bound CP locomotive and 12 of 152 cars carrying potash went off the tracks where Highways 1 and 32 meet, roughly 10 kilometres west of Swift Current. Things could be back to normal as early as today.

It was initially estimated that around 100 gallons of diesel had spilled, but today RM of Swift Current Fire Chief Louis Cherpin said that was an overestimate, and that they kept the spill to between 10 and 20 gallons.

The locomotive's 4,500-gallon tank was full.

"There was minimal fuel leak, but it could have been a big concern and disaster, especially with potash being right there," said Cherpin. "Potash on its own isn't bad, but when you put diesel fuel and fertilizer together, not a very good mixture."

Swift Current Rural RCMP, CP clean-up crews from Medicine Hat and Maple Creek, and CP police were on the scene with the fire department.

The RM of Swift Current's fire department was there until around 12:30 a.m. Wednesday morning.

"While we were there, the CP clean-up crew showed up... and were unloading heavy equipment to get ready to start moving the derailed cars off the track right away and be prepared to start changing the tracks out," said Cherpin shortly before noon today. "Last night while we were there a little bit, they were working - they were actually cutting track and getting ready to get removed and replaced. As of right now they're working on it to get the track replaced. That's their number-one priority; once that's done then CP will work on cleaning up the cars that came off the track."

Part of an email from CP last night read: "CP immediately implemented its emergency response protocols and mobilized teams to the site. There is no threat to public safety, no dangerous goods involved, and no injuries. Investigation is on-going."

A spokesperson for CP has said the investigation into the derailment is ongoing, but there's no threat to public safety, no dangerous goods involved, and no injuries.

"They're still saying the trains will be running today, but you have to see it to believe it I think," said Cherpin. "But they do work miracles."

It was initially reported that 12 cars derailed, but the latest from CP Rail says 14.