Case Studies
How water and wastewater utilities across the U.S. have deployed the Halogen MP5 to reduce maintenance, eliminate waste streams, and gain continuous real-time water quality visibility.
County of Maui Department of Water Supply
Maui DWS manages 46 deep wells, 750+ miles of mains, and 145 storage facilities. After years of false alarms with Hach analyzers, they piloted the MP5 in June 2024 at a remote, low-pressure site. The unit started up without calibration or flow adjustments and has been operating continuously ever since.
- check_circleZero calibration required since June 2024 installation
- check_circleDeployed at challenging remote site with variable low pressure
- check_circlePilot unit converted to permanent operations
- check_circlePlanning expansion to additional remote sites
Dean K. Tanimoto, Water Plant Division Chief
Orange County Utilities
Orange County Utilities draws from the Floridan Aquifer and tested the MP5 across three different treatment processes — hydrogen sulfide stripping, chlorination-only, and ozone + chlorination. Deployed with cellular IIoT for 24/7 remote monitoring. Five sensors now installed, with ongoing expansion.
- check_circle~2,080 man-hours saved per year across five sensors
- check_circleNo calibration required for 6+ months
- check_circleConsistent ±5% accuracy vs. stated ±15% spec
- check_circleReadings every minute via cellular IIoT
- check_circleProven across three distinct treatment chemistries
Orange County Utilities Field Services Division
Iron Bridge Regional Water Reclamation Facility
Iron Bridge WRF treats 27 MGD (40 MGD permitted) for 400,000 people across Orlando, Winter Park, Maitland, and Casselberry. Their existing sensors required 3 calibrations per shift. The MP5 ran for 3 months in a parallel loop with zero maintenance or calibration. The plant submitted 30 EPA Method 334 data points to Florida DEP for approval and plans to convert all sensors.
- check_circleZero calibration for full 3-month trial period
- check_circleOld sensors required 3 calibrations per day — MP5 required none
- check_circleEstimated 3,800 man-hours/year saved across 7 sensors
- check_circleMatched all discrete sensor readings (pH, ORP, conductivity, temp)
- check_circleEPA 334 data submitted to Florida DEP for compliance approval
Antonio Thompson, Chief Operator
Palm Beach County Water Utilities
Instrumentation Tech Vinney Guiel operates three MP5 units — two at a wastewater plant, one at a drinking water facility. The oldest unit is two years old with no issues. One unit required only 3 calibrations over two years. He is actively replacing all Hach CL-17 analyzers with MP5 units and plans to expand to over 50 units county-wide.
- check_circle2 years of operation — no issues
- check_circleOnly 3 calibrations required over 2 years
- check_circleAnnual chlorine wear parts replaced in under 15 minutes
- check_circleNo reagents, no tubing, no mixing chambers
- check_circleActively replacing Hach CL-17 fleet; 50+ units planned county-wide
Vinney Guiel, Instrumentation Technician
City of Lakewood Water Resources
Lakewood operates 11 deep wells and 180 miles of mains. With no waste stream tolerances at several well sites and California drought concerns, they needed a zero-waste sensor. After a 2021 pilot alongside a Hach CL17, the MP5 required no calibration over six months with only 0.04 ppm deviation. A wet-tap version was later deployed and immediately caught a chlorine residual drop that would have gone undetected.
- check_circleZero calibration over 6-month pilot; 2+ years total without service
- check_circleEliminates 69,000 gal/year waste stream ($690/yr per sensor)
- check_circleAccuracy within 0.04–0.05 ppm of reference methods
- check_circleWet-tap version caught real-time chlorine dropout at a well site
- check_circleNSF-61 and NSF-372 certified
Derek Nguyen, Ph.D., P.E. & Michael Santillan — City of Lakewood
Compton / Durville Evaluation Report
An independent evaluation report assessing the performance of the Halogen MP5 sensor in a real-world deployment. The report documents sensor accuracy, stability, and operational findings across the evaluation period.
- check_circleIndependent third-party evaluation of MP5 sensor performance
- check_circleDocuments real-world accuracy and stability findings
- check_circleProvides objective performance data for procurement decisions
Durville Evaluation Report
Ready to run your own pilot?
Every utility above started with a single pilot unit. Our team can help you design a test deployment that proves the value in your specific application.