Real Success,
Real Impact
Quick Answer
What results have utilities seen with Halogen sensors (MP5 through the current MP-5F)?
Explore 9 accounts of chlorine monitoring, field evaluation and operator experience in the United States and United Kingdom.
See the full proof and case studies: certifications, patents & field results · all case studies
Utilities Leading the Way
From small municipal systems to large county-wide deployments, these accounts describe the results and limitations reported at each site.
City of Whittier, CA
From one trial to four booster stations: Whittier reports more than two years of MP5 experience, no calibrations since installation, and reagent-free chlorine monitoring that keeps operator visits short.
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County of Maui, HI
Maui describes MP5 groundwater monitoring at a remote site with low and variable sample pressure. Following the June 2024 pilot, the unit became a permanent part of operations.
Newport News Waterworks, VA
The Harwood's Mill evaluation compared the MP5 with a Hach CL17 and grab samples. The operations team reported stable readings and reduced maintenance checks during the evaluation.
Orange County Utilities, FL
Orange County tested MP5 sensors with cellular monitoring across three treatment processes. Staff reported that trips for daily or weekly grab samples were largely eliminated, while periodic calibration checks continued.
Iron Bridge Regional Water Reclamation Facility, FL
Iron Bridge evaluated the historical MP5T in a parallel loop alongside its existing sensor array. The source reports no calibration or maintenance during the initial three months of reclaimed-water testing.
Palm Beach County Water Utilities, FL
Instrumentation technician Vinny Guiel describes three MP5 units across water and wastewater facilities, reporting reliability, reagent-free operation and easier maintenance.
City of Lakewood, CA
Lakewood evaluated a flow-cell MP5 alongside a Hach CL17 and later installed a wet-tap sensor at a well. The wet-tap installation alerted operators to a low chlorine residual and enabled a response.
Compton Durville, Wessex Water, UK
The Compton Durville report evaluates MP5 monitoring in high-iron borehole water and investigates fouling of the incumbent chlorine sensor. The MP5 was used for independent monitoring, not dosing control.
Sensus AMI Integration, Gainesville, GA
The Gainesville account describes continuous chlorine monitoring using Halogen sensors connected through the Sensus FlexNet network, supporting distribution-system visibility and demand-based flushing.
By the Numbers
The data speaks for itself. Halogen is delivering measurable results across every deployment.
Remote monitoring
Maui and Orange County describe monitoring at remote groundwater and distribution sites.
Site-specific evaluations
Results reflect the conditions and durations in each linked source account.
Operator experience
Read the original reports for maintenance context, limitations and future plans.
"We started with one sensor. Now we're replacing our entire CL-17 fleet."
Palm Beach County Utilities, Florida
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