Best strategy for collected damages & unpaid rent/utilities?

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Hey all, 

Have a problem tenant who caused ~$2000 in damages and some unpaid utilities... let her dog soil the carpet and refused to pay water bill last few months. 

We have her security deposit, but it only covers ~1/3 of cost of repairs. 

Question: 

• What is the most cost effective means of collecting funds owed? 
• What is the most cost effective means of reporting this on her credit report while abiding by current regulations?

I don't want to drop another $250-$500 in legal expenses when I probably won't collect funds owed anyway, but curious what techniques the experienced landlords have done when this has happened to them.