katie pelton is following the investigation. >> that's not fair! security wide-field and fountain are getting some answers as to where per fluorinated compounds, or trend nine, in their water, came from. in this 145 page preliminary report obtained by 11 news, we learned there are six sites on peterson air force base where firefighting foam may have leaked into the groundwater. those sites include this fire training area used from 1956 to 1997. firefighting foam was ust the foam contains trend nine. the report from this spot includes the question, is there a suspected release to groundwater and it is marked, guess. there are also two different fire stations where spray tests took place. also, a nearby pond that gets runoff from peterson and finally, a golf course that is a former leach field where runoff was routed. follow-up investigations are recommended for each six sites. neighbors are on edge, worried >> i bought a water dispenser, so i go and buy the drugs from walmart. >> it made me immediately stop using everything ice included. >> reporter