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Oviedo officials say fluoride analyzers repeatedly failed; council asks staff to notify elected officials during outages
Summary
City staff told the Oviedo City Council that fluoride analyzers at the water plant experienced repeated failures over 2023–24, leaving the chemical feed off intermittently; staff said there was never a health or safety violation and council members asked staff to adopt a notification protocol similar to other compliance events.
City officials told the Oviedo City Council on March 3 that fluoride dosing equipment at the city’s water plant experienced repeated analyzer and level-indicator failures, leaving dosing off for extended stretches in 2024 and creating a communication gap with the public and elected leaders.
In a presentation at the start of the meeting City Manager Brian Cobb said he “personally take[s] responsibility” for how the situation was handled and confirmed staff would provide a fuller timeline and follow-up. Cobb said what staff had previously shared in emails was accurate and that there was never a safety or health violation from the outages.
Public works staff and plant operators described the technical sequence: an inline analyzer measures fluoride in the raw water, a SCADA-controlled tank level indicator feeds a fluoride pump, and a second analyzer and manual bench sampling verify dosing before water enters the distribution system. As public-works presenter Steve Stewart explained, “It doesn’t include the entire plant and how the plant operates. It’s strictly fluoride,” and he walked the council through the analyzer–tank–pump–sample process and where calibration and programming events can break the chain.
Staff said the analyzers were taken out of service in late 2023 after intermittent readings; vendors and parts schedules delayed consistent repair. According to the presentation, the system was off in December 2023, a vendor (HAWK) visited in January and ordered parts, the tank level indicator was replaced in February, and the analyzers were serviced again later. Staff described a pattern of component failures and repeated repairs; the manufacturer recommended full system replacement at an estimated cost in the roughly $300,000 range, which is not currently budgeted.
Council members raised two concerns: that residents expect the additive to be present and that the council and public were not informed sooner. One council member asked why the city did not treat extended fluoride outages as a reportable or public issue. Staff said fluoride is not a compliance item that triggers automatic notification to state regulators like a sewage spill would: the Florida Department of Health uses the term “non‑optimal” to describe a zero or below‑target fluoride reading and requires recordkeeping but not the same immediate public notification or FDEP reporting required for many water‑quality incidents. Staff said that, operationally, plant crews prioritized systems tied to disinfection and distribution and that fluoride dosing has historically been handled as a non‑compliance, non‑emergency item when analyzers disagree with manual samples.
After extended discussion, council members and staff agreed to change notification practice. A council consensus was recorded that staff would treat extended fluoride analyzer outages as a notification item for council and the director — “we can change the protocol and make it where we treat it just like a compliance issue for notification purposes to council and to the director,” staff said — and staff said it would notify council immediately if the analyzers go off again and provide monthly updates on success or failure of the repaired system.
Staff said they will attempt to return the analyzers to service, monitor performance with SCADA and manual lab checks, and report results. If the components keep failing staff said the manufacturer-recommended full replacement (skid, pumps, analyzers) would be considered and that funds for that replacement are not currently included in the budget.
Given the technical and procurement delays staff outlined a 60‑day due‑diligence and parts timeline for major replacements and said they would provide council a timeline and documentation of repairs, vendor visits, work orders, and service‑contract activity.
Why this matters: fluoride dosing is a public-health initiative; inconsistent dosing does not, in staff’s description, pose an immediate safety risk but has a public‑trust and transparency component that council members said requires faster notification and better recordkeeping.
Council requested follow-up materials and a timeline of the analyzer outages, parts orders and vendor visits, and asked staff to report monthly on analyzer performance going forward.
