The McLane Black Lake Fire Department refinanced the district's General Obligation Bonds, saving taxpayers $743,000, according to a news release.
The department is made up of the now merged McLane Fire, or Thurston County Fire District 9, and Black Lake Fire, Thurston County Fire District 5.
Taxpayers in Thurston County Fire District 9 will save $537,495 over the remaining 12 years of its bond while those in Fire District 5 will save $205,542 over the remaining 10 year term its bond.
The district also received an "A" bond rating grade from Standard & Poor's, the release said.
"The bond rating grade reflects that the districts are very well managed and have excellent financial practices in place for the benefit of taxpayers," said Jim Nelson, bond underwriter, in the release.