The Newport Department of Utilities operates four continuous water quality monitoring stations across the system: two on drinking water reservoirs and two in Newport Harbor. Each station transmits data to a cloud-based platform where the public can view current conditions at any time. Continuous monitoring supports source water protection, tracks receiving water conditions, and provides transparency about the waters we treat and the waters that receive treated discharge.
View Live Data for All Four Stations
The Newport Department of Utilities hosts all four monitoring stations on a single public data portal powered by NexSens WQData LIVE.
Open Water Quality Data PortalReservoir Monitoring Buoys (2 Stations)
Seasonally deployed on drinking water reservoirs. These buoys provide awareness of reservoir conditions before treatment.
The Newport Water Division operates water quality monitoring buoys on two reservoirs in the system. Each buoy records measurements at the reservoir surface and transmits data continuously during the open-water season. Monitoring supports source water protection work and provides seasonal awareness of reservoir conditions beyond regulatory sampling.
South Easton Pond
Newport, RI. A primary drinking water reservoir serving Newport, Middletown, and the small portion of Portsmouth served by NWD.
Watson Reservoir
Little Compton, RI. Part of Newport’s extended reservoir system, with raw water conveyed to NWD treatment plants.
Seasonal operation: Reservoir buoys are removed during winter months to prevent ice damage. Data collection pauses during winterization and resumes when buoys are redeployed in the spring.
Newport Harbor Monitoring Stations (2 Stations)
Year-round continuous monitoring of ambient harbor water quality.
The Department of Utilities operates two continuous water quality monitoring stations in Newport Harbor. These stations measure ambient conditions in the receiving water and support transparency about harbor water quality over time, including how it varies with weather, tides, and seasonal activity. Together with compliance sampling required under the City’s RIPDES discharge permits, these stations provide continuous awareness of the waters that receive treated effluent, CSO discharge, and stormwater outfall discharge.
Newport Harbor Monitoring Station 1
Newport Harbor. Continuous ambient water quality monitoring.
Newport Harbor Monitoring Station 2
Newport Harbor. Continuous ambient water quality monitoring.
Year-round operation: Harbor monitoring stations operate continuously, providing uninterrupted data except during scheduled maintenance or calibration.
How to read the data
- All four stations provide research-grade data, not regulatory compliance measurements. This monitoring supports awareness and transparency but is not used for regulatory compliance.
For drinking water: compliance is measured on finished water after treatment and reported in the annual Consumer Confidence Report filed with the Rhode Island Department of Health (RIDOH).
For discharge: compliance sampling is conducted through the City’s RIPDES permit program and reported to the Rhode Island Department of Environmental Management (RIDEM). - Seasonal variation is normal. Temperature, dissolved oxygen, pH, chlorophyll, and salinity all change with weather, season, time of day, and tidal cycle. Short-term swings do not indicate a water quality problem.
- Reservoir buoys show seasonal patterns. Phycocyanin (a blue-green algae indicator) typically increases in warm months, which is typical in reservoirs across the region. The Water Division monitors trends and coordinates with RIDOH when any action is warranted. Finished drinking water leaving the treatment plant continues to meet all state and federal standards regardless of raw water conditions.
- Harbor stations show weather- and tide-driven patterns. Salinity decreases with freshwater input during storms. Dissolved oxygen varies with temperature and biological activity. Turbidity increases after heavy rain when runoff enters the harbor. These patterns are normal and expected. Elevated bacteria levels following storms reflect watershed-wide runoff, not just Newport’s discharge.
- Data gaps are expected. Reservoir buoys are removed in winter; harbor stations operate year-round but may pause during sensor calibration or maintenance. Gaps in data are a normal part of operating an environmental monitoring program.
About This Data
Uncertainty and potential for error can be associated with environmental monitoring data. Data users are cautioned to consider carefully the provisional nature of the information before using it for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. The Department of Utilities provides this data for public transparency and awareness. Data hosted by NexSens WQData LIVE.
Questions
For questions about the monitoring program, contact the Department of Utilities at 401-845-5600, Monday through Friday, 8:00 AM to 4:00 PM.
For drinking water quality questions, refer to the annual Consumer Confidence Report available on the Water Treatment and Quality page or contact the Water Division directly.
For discharge monitoring and permit compliance questions, see the Wastewater Quality and Performance page or contact the Water Pollution Control Division.