OHA Drinking Water Services
Contact Report Details |
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| PWS ID: | OR41 00482 | ||
| PWS Name: | SUNSTONE - BEAR CREEK | ||
| Who Was Contacted and Phone: | Mike Olson (971) 563-3128 | ||
| Contact Date: | 04/17/2012 | ||
| Contacted By: | MACPHERSON, JAMES (REGION 2) | ||
| Contact Method/Location: | Office | ||
| Assistance Type: | PLAN REVIEW | ||
| Reasons: | SWTR Operations |
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| Details: | SUMMARY: Treatment alternatives DETAILS: Discussed the different pathogens and the different treatment credits needed per pathogen. Reviewed virus-, Giardia-, and Cryptosporidium-required credits and the Bin system of LT2 for Cryptosporidium. Discussed residual disinfection. Reviewed disinfection in the form of chlorine, ozone, and UV light along with their respective pathogen-dependent treatment credits. Reviewed the filtration treatment catagories (conventional, direct, slow sand, diatomaceous earth, cartridge/bag, and membrane). Discussed source monitoring of E. coli for LT2 comliance. ACTION NEEDED: none | ||