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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: | David Nordman | ||
| Contact Phone: | 503-842-6462 (Email address hidden) | ||
| Contact Date: | 11/21/2023 | ||
| Contacted By: | HOFELD, EVAN (DWP) | ||
| Contact Method/Location: | |||
| Assistance Type: | WATER QUALITY ALERT RESPONSE | ||
| Reasons: | Disinfection Byproducts |
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| Details: | On 11/20/23 I received an alert for a TTHM result of 0.0925 mg/l from sampling completed 11/14/23 resulting in an OEL level of 0.083 mg/l and requiring an OEL report (no LRAA MCL was exceeded). I e-mailed David Nordman about the exceedance, the need to complete an OEL report, and included a link to information about OELs and the OEL report template we have on our website (the system had also exceeded the TTHM OEL and completed an OEL report in 3rd quarter 2023). Update: The OEL report received on January 31, 2024, highlighted elevated levels of soluble organics, improper PASS-C dosage, and overdue cleaning of storage tanks may have attributed to the OEL exceedance. To address these concerns, the system intends to clean the tanks in February 2024 and increase coagulant dose in attempt to decrease soluble organics. |
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| Associated Alerts: | DBP-45 - 11/20/2023 - TTHM |
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