By Emily Trube, NewsRadio 1080, KRLD

DALLAS (CBSDFW.COM) – The City of Dallas has located the culprit of sprinklers left on this week in downtown – themselves.

The sprinklers caused ice to form on the streets Wednesday morning.  Temperatures fell into the teens overnight Tuesday.  Sprinklers at Dealy Plaza and on a Field Street median went off.

Parks Department head Paul Dyer says the city has thousands of sprinkler systems to keep up with.  “Literally thousands of controllers around the city, between ballfields, Fair Park, and medians and parkways, they’re all over the city, so our crews are constantly monitoring these.

But these two systems were overlooked.  Dyer says they are sorry “We are just as responsible to maintain those as residents are, so we ought to be fussed at too.”

Dyer says the sprinkler systems do have censors to prevent them from going off when temperatures fall to near freezing, but he says both of the freeze censors were damaged. One of them had been vandalized.

People who leave sprinklers on at their house or business during freezing temperatures face a $2,000 fine.

Dyer has sent city crews out all over Dallas to check on the thousands of sprinkler system censors the city maintains so they won’t go off again.

KRLD’s Emily Trube asked Dyer if they consider this their warning.  “Absolutely” he said.