OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details
PWS ID: OR41 00062
PWS Name: YOUNGS RIVER LEWIS & CLARK WD
 
Who Was Contacted and Phone: Bill Mitchell (503) 325-4330
Contact Date: 06/05/2009
Contacted By: HOFELD, EVAN (REGION 1)
Contact Method/Location: Office
 
Assistance Type: OTHER REGULATORY - REGULATORY ASSISTANCE
Reasons: Disinfection Byproducts
None
 
Details: SUMMARY: E-mailed a reminder to conduct quarterly DBP sampling DETAILS: EPAs historical SNC list identified YRLC as a significant non-complier (SNC) due to freqent DBP monitoring violations. I e-mailed Bill Mitchell requesting that they conduct quarterly sampling for DBPs (HAA5 and TTHM). At one time YRLC may have qualified for a reduction in DBP sampling to quarterly, but results in 2008 would have pushed YRLC back to quarterly. I sent Bill a spreadsheet with DBP monitoring results and the calculation of the running annual average and asked him to start quarterly monitoring again. ACTION NEEDED: In order to avoid getting a violation for 2nd quarter 2009, YRLC will need to complete sampling by June 30, 2009. Quarterly monitoring should continue until the running annual average drops below 1/2 the MCL for both TTHM and HAA5.

More information for this water system: SDWIS ID 3874
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