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Water Samplers

Automatic Water Sampler

Water samplers are essential tools for collecting accurate water samples in a variety of environments, including industrial, environmental, and municipal applications. Designed for precision and durability, these devices ensure reliable data collection for analysis of water quality, contaminants, and compliance with regulatory standards. 


Models are available as either portable or fixed units, with options for refrigeration, composite or sequential sampling, and AC, battery, or solar power. Each sampler is designed for specific environments and sampling requirements, ensuring accurate and efficient water quality monitoring. 


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Featured Automatic Water Samplers

Water samplers play a crucial role in environmental monitoring, regulatory compliance, and industrial applications. Various types of water samplers exist, each designed for specific sampling needs. Below is a comparison of the most common types of water samplers and their applications.

Automatic Water Sampler

Automatic Water Sampler

Automatic water samplers are designed to collect water samples at predetermined intervals without manual intervention. They are often used in long-term monitoring programs.

Key Features:

  • Programmable collection intervals
  • Suitable for remote and unattended sampling
  • Can be configured for composite or sequential sampling

Common Applications:

  • Continuous environmental monitoring
  • Regulatory compliance sampling
  • Industrial water quality testing
Portable Water Sampler

Portable Water Sampler

Portable water samplers are lightweight and designed for easy transport, making them ideal for fieldwork and short-term sampling needs.

Key Features:

  • Compact and battery-powered
  • Easy to carry for on-site sampling
  • Can support composite or discrete sampling

Common Applications:

  • Stormwater monitoring
  • Field research studies
  • Short-term sampling projects
Refrigerated Water Sampler

Refrigerated Water Sampler

Automatic water samplers are designed to collect water samples at predetermined intervals without manual intervention. They are often used in long-term monitoring programs.

Key Features:

  • Programmable collection intervals
  • Suitable for remote and unattended sampling
  • Can be configured for composite or sequential sampling

Common Applications:

  • Continuous environmental monitoring
  • Regulatory compliance sampling
  • Industrial water quality testing
Composite Sampler

Composite Sampler

A composite sampler collects multiple samples over time and combines them into a single sample, providing an averaged representation of water quality conditions.

Key Features:

  • Can be time-based or flow-proportional
  • Reduces variability in sample analysis
  • Ideal for long-term trend analysis

Common Applications:

  • Regulatory compliance in wastewater treatment
  • Industrial effluent monitoring
  • Stormwater runoff analysis
Sequential Sampler

Sequential Sampler

Sequential samplers collect multiple individual samples in separate containers over a defined period, allowing for time-based analysis of changing water quality conditions.

Key Features:

  • Enables tracking of pollutant fluctuations
  • Ideal for identifying pollution sources
  • Provides detailed temporal data

Common Applications:

  • Studying contamination trends over time
  • Industrial process monitoring
  • Environmental impact assessments
Wastewater Autosampler

Wastewater Autosampler

Wastewater autosamplers are designed for collecting samples from sewage, industrial discharge, or treatment plants to ensure compliance with environmental regulations.

Key Features:

  • Robust construction for handling harsh environments
  • Capable of composite or discrete sampling
  • Often integrated with flow meters for precise collection

Common Applications:

  • Wastewater treatment facility compliance
  • Industrial discharge monitoring
  • Regulatory sampling in municipal sewage systems
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Water Sampler Applications

​NPDS Permit Compliance

Automatic samplers play a key role in helping facilities meet National Pollutant Discharge Elimination System (NPDES) permit requirements. ISCO water samplers support regulatory compliance by enabling accurate, time-based or flow-weighted composite sampling of effluent discharges. With modular options and rugged enclosures, these systems are ideal for long-term deployment at outfalls, treatment plant discharge points, and other regulated locations. Reliable sample collection ensures defensible data for reporting, auditing, and enforcement response.

​Stormwater

Managing stormwater runoff is critical for both regulatory compliance and environmental protection. ISCO automatic samplers are trusted tools for stormwater monitoring programs, offering reliable performance during unpredictable weather events. Designed to trigger on rainfall, flow, or level thresholds, these samplers capture first-flush events and composite samples over the duration of a storm. With options for portable or permanent installation, they provide the flexibility needed for municipal, industrial, and construction site runoff monitoring.

​Process Monitoring & Optimization

In industrial and municipal facilities, automatic samplers support continuous improvement by capturing representative samples from key process streams. ISCO samplers help identify variability, optimize chemical dosing, and verify treatment performance over time. Whether integrated into a SCADA system or configured for standalone operation, these samplers deliver high-resolution data for process control decisions and troubleshooting. With modular communication options and corrosion-resistant materials, they’re built to handle demanding environments.

​Wastewater-Based Surveillance (WBS)

Wastewater-Based Surveillance (WBS) is an emerging tool for tracking public health trends through the analysis of sewage. ISCO automatic samplers are widely used by universities, municipalities, and public health agencies to collect time-weighted or flow-proportional samples for pathogen and biomarker analysis. With programmable schedules, remote communication options, and rugged designs, ISCO samplers provide consistent, high-quality samples needed for viral load monitoring, epidemiological studies, and early warning systems.

​Per- and Polyfluoroalkyl Substances (PFAS)

Monitoring for Per- and Polyfluoroalkyl Substances (PFAS) requires sampling equipment that minimizes contamination and preserves sample integrity. ISCO automatic samplers are designed with PFAS-compatible components and customizable configurations to meet stringent sampling protocols. Whether deployed for regulatory compliance, source tracking, or research, these samplers enable accurate time-based or flow-weighted composite collection in municipal, industrial, and environmental applications. Paired with proper sample handling, they support defensible data generation for this critical class of emerging contaminants.

​Drinking Water Plant Sampling for Fluoride

Routine monitoring of fluoride levels in drinking water treatment plants is essential for public health and regulatory compliance. ISCO automatic samplers streamline this process by collecting reliable, consistent samples from finished water or intermediate stages. With programmable schedules and precise volume control, they reduce manual sampling burden while ensuring traceable fluoride data. Durable construction and compatibility with treated water make them ideal for long-term use in drinking water applications.

​Industrial Pretreatment

Automatic samplers are essential for monitoring industrial users contributing to a municipal wastewater system. ISCO samplers help enforce pretreatment standards by collecting representative flow-weighted or time-based samples at discharge points. With rugged enclosures and flexible programming, they can withstand harsh environments and irregular flow conditions. These systems support defensible data collection for compliance, surcharge billing, and enforcement, protecting treatment plant operations and downstream water quality.

​Stream Monitoring

ISCO automatic samplers support stream monitoring programs by enabling unattended sample collection in remote and challenging environments. Whether tracking seasonal changes, pollutant loading, or upstream/downstream impacts, these samplers offer time-based and event-triggered sampling for comprehensive data sets. With battery power options, rugged weatherproof housings, and modular accessories like rain gauges and flow modules, they’re ideal for long-term deployment in watershed studies and environmental assessments.

​Watershed Monitoring

Understanding water quality across a watershed requires consistent, high-quality sampling from multiple locations. ISCO automatic samplers provide a reliable solution for capturing spatial and temporal data across streams, tributaries, and discharge points. With remote communications, solar power options, and rugged enclosures, they support year-round deployment in challenging field conditions. Ideal for tracking nutrient loading, land use impacts, or regulatory compliance, ISCO samplers help researchers and agencies make informed watershed management decisions.

​Water Sampler Comparison Table

ModelMobilitySample TypeBottle OptionsPower OptionsCooling OptionsTypical Use Case
ISCO 6712cPortableComposite / Discrete1*2.5 gal, 24*500mLAC (standard), AC Battery backup, 12V Battery, 12v SolarIce-coolingAdvanced programming, Wastewater, Stormwater, Water quality monitoring
ISCO 6712PortableComposite / Discrete1*2.5 gal, 4*1 gal, 8*2L, 12*1L, 24*1L12V Battery, ACIce-coolingAdvanced programming, Wastewater, Stormwater, Water quality monitoring
ISCO 6712 JumboPortableComposite / Discrete1*5.5 gal, 1*2.5 gal, 4*1 gal, 8*2L, 12*1L, 24*1LAC (standard), 12V backupIce-coolingAdvanced programming, Wastewater, Stormwater, Water quality monitoring
ISCO 6712FRStationaryComposite / Discrete1*5.5 gal, 2*2 gal, 1*2.5 gal, 4*2.5 gal, 24*1LAC (Standard), 12V BatteryRefrigeratedWastewater
ISCO 5800StationaryComposite / Discrete1*5.5 gal, 1*5 gal, 1*2.5gal, 2*2.5 gal, 4*2.5 gal, 24*1L, 24*350mL AC (Standard), Battery backupRefrigeratedAdvanced programming, Wastewater
ISCO BLZZRDPortableComposite / Discrete1*5.3 gal, 1*2.5 gal, 4*5L, 4*1.8L, 14*950mLAC (Standard), 12V Battery, Battery backupRefrigeratedAdvanced programming, Stormwater, Water quality monitoring
ISCO GLSPortableComposite (limited Discrete)1*1 gal, 1*2.5 gal | 2 gal ProPak bags 12V Battery onlyIce-coolingStormwater
ISCO 3700 *DiscontinuedPortableComposite / Discrete1*2.5 gal, 24*1L12V Battery, AC, AC battery backup, SolarIce-coolingWastewater, Stormwater
ISCO 4700 *DiscontinuedStationaryComposite / Discrete1*2.5 gal, 24*1LAC OnlyRefrigeratedAdvanced programming, Wastewater

Calculators

​Water Sampler Pulse Calculator

Gallons per Pulse:

# of Pulses per Sample:

​Frequently Asked Questions

What is a water sampler?

What is a water sampler?

A water sampler is a device used to collect water samples for environmental monitoring, compliance testing, and research. These samplers help ensure accurate water quality analysis by preserving samples for laboratory testing.

What types of water samplers are available?

What types of water samplers are available?

There are two main types of water samplers:

  • Automatic water samplers – These collect samples at scheduled intervals or in response to specific conditions.
  • Manual water samplers – These require an operator to collect water samples on-site.
How do automatic water samplers work?

How do automatic water samplers work?

Automatic samplers use a pump or vacuum system to collect and store water samples in designated containers. They can be programmed to sample based on time, flow rate, or specific triggering events such as rainfall or pollutant detection/pH.

What features should I look for in a water sampler?

Key features to consider include:

  • Sample volume capacity
  • Refrigeration for sample preservation
  • Flow-based or time-based sampling options
  • Portability and power options (battery vs. AC power)
  • Weather resistance for outdoor use
Are there water samplers suitable for remote locations?

Yes, there are portable, battery-powered water samplers designed for fieldwork in remote areas. Many models from Teledyne ISCO also support solar power options for extended operation.

Can I use a water sampler for regulatory compliance?

Yes, many water samplers are designed to meet environmental regulations for water quality monitoring, including EPA, NPDES, and other compliance standards. Always check local and industry-specific requirements when selecting a sampler.

How should I install a water sampler?

Installation varies by model but generally includes:

  1. Placing the intake tubing in the water source at an appropriate depth.
  2. Connecting the sampler to a power source (battery or AC).
  3. Programming sampling intervals and triggers.
  4. Ensuring the sampler is secure and protected from environmental conditions.
How often do I need to maintain my water sampler?

Regular maintenance includes:

  • Cleaning and replacing intake tubing as needed.
  • Checking pump performance and calibrating settings.
  • Verifying sample bottle integrity and refrigeration (if applicable).
  • Inspecting for clogs or wear in the sampling mechanism.
Do you offer support for troubleshooting and repairs?

Yes, we provide technical support and can assist with troubleshooting, maintenance guidance, and replacement parts if needed.

Services We Offer

Instrumentation Calibrations

Precision flow meter, level measurement, and analyzer calibrations to ensure accuracy and compliance.

Rental Equipment

Flexible rental equipment solutions for short-term needs.

Equipment Troubleshooting

Fast diagnostics to identify and resolve control equipment and greater process system issues.

Repairs & Maintenance

Reliable repairs & maintenance to keep systems running smoothly.

Instrumentation 
Flow Studies

Comprehensive flow studies to verify instrumentation and equipment, testing for optimized system performance.

Startup & Training

Expert on-site instrument commissioning and training for seamless operation.

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