OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 93711
PWS Name: CORVALLIS WALDORF ASSOCIATION
 
Who Was Contacted: Jeff Cygan
Contact Phone: 541-758-4674 (Email address hidden)
Contact Date: 02/18/2026
Contacted By: KRUGER, SCOTT (BENTON COUNTY)
Contact Method/Location: Email
 
Assistance Type: ENFORCEMENT
Compliance & Enforcement: Bilateral Compliance Agreement: 09/12/2024 - Open
Reasons: Lead or Copper
 
Details: They have a bi-lateral compliance (BCA)agreement was issued September 12, 2024 to address LCR treatment excursions. The corrosions control set points for Ph is 7.0 and Phosphate 1.0. The excursions were due to low Ph levels.
Soda Ash treatment was installed in 2024 to address lowering Ph levels in the ground water.
The water system had a lead exceedance in July 2025.
The first set of water quality parameters (WQP's) and tap samples were due on January 10. The first set of WQP was conducted on February 16 and received on February 18,
The tap samples and second set of WQP's are scheduled for February 20.
I have reviewed the compliance letter dated July 16 2025 with the operator.


More information for this water system: SDWIS ID 1417
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