SPL chief executive Neil Doncaster confirmed Well's home clash with Killie this weekend was in serious doubt.
But having been given assurances over player safety the game goes ahead as planned.
The Steelmen - who spent £350,000 on restoration work in the summer - could yet face SPL sanctions.
After holding talks with Well chiefs last night, Doncaster said: "After the events of last season, when Motherwell's pitch caused serious concern, the pitch was ripped up.
"In conjunction with the SPL's own specialists, a programme of reconstruction work took place, at huge expense to the club, last summer.
"Up until the huge snowfalls in December, the pitch was behaving well - on average it received 4.5 out of five.
"But the last three games there have made it clear that the surface has recently been inadequate for SPL football.
"As a result, the SPL has to determine what to do about the situation.
"We have inspected the pitch twice since the Hibs game on Saturday.
"And we have met with representatives from Motherwell, including their head groundsman and pitch experts brought in by the club.
"The club is undertaking an extensive and expensive series of remedial works this week. They have given firm assurances that this will give the pitch far more stability and it will be safe for play. On that basis, we've decided to allow Saturday's match to go ahead.
''However, we'll send our experts to review the pitch pre-match, during the game and post-match. If the remedial works prove insufficient we'll revisit the situation next week.
"At a time when money is so tight and the winter so harsh, it is important that the SPL is supportive of its clubs and their efforts to get games on.
"But it is also vital that the integrity of the league competition is not compromised by playing surfaces that are inadequate.
"The decision was a difficult one but one we consider fairest to everyone in the circumstances."