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| Introduction :: Data Search Options :: Water System Search :: DWS Home :: DWS Rules |
OHA Drinking Water Services
Contact Report Details |
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| PWS ID: | OR41 00585 | ||
| PWS Name: | OCEANSIDE WATER DISTRICT | ||
| Who Was Contacted: | Christian Anderson | ||
| Contact Phone: | (Email address hidden) | ||
| Contact Date: | 01/08/2025 | ||
| Contacted By: | ALFAFARA, NICOLE (DWP) | ||
| Contact Method/Location: | |||
| Assistance Type: | WATER QUALITY ALERT RESPONSE | ||
| Reasons: | Disinfection Byproducts |
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| Details: | DWS staff got an alert for the system's DBP results, which indicate a 4th quarter TTHM concentration exceeding the MCL at 0.0865 mg/L. When incorporating these results into the LRAA and OEL calculations, both metrics also exceed the MCL, at 0.088 mg/L and 0.094 mg/L, respectively. The system had previously notified DWS that it recently drained a reservoir in an effort to reduce DBP levels and is actively seeking additional guidance from a Circuit Rider to address the issue. DWS staff advised the system to submit a detailed plan within 90 days outlining specific steps to reduce TTHM levels below the MCL and informed system a public notice must be issued within 30 days |
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| Associated Alerts: | DBP-130 - 01/07/2025 - TTHM |
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