Accurate, compliant wastewater data starts with proper sampling.
TDMA provides both automatic sampler equipment and third-party sampling services to help your facility stay compliant and avoid costly violations.

Why Sampling Matters
Reliable wastewater sampling is the foundation of accurate compliance reporting.
Incorrect or inconsistent collection can result in permit violations, fines, or misleading data.
Our technicians follow strict EPA and NPDES guidelines to ensure every sample is representative, properly preserved, and fully documented.

Automatic Sampling Equipment
TDMA proudly supplies and supports Teledyne ISCO automatic samplers — the industry standard for precision and reliability.
Our available models include:
• Portable samplers for remote or flexible monitoring
• Refrigerated samplers for temperature-sensitive samples
• Flow-proportional or time-based collection options
• Durable, field-ready designs for harsh environments
Whether you’re monitoring effluent, stormwater, or process wastewater, we’ll help you choose the right equipment and configuration for your site.
Third-Party Sampling Services
When it comes to compliance, independence matters.
Our certified sampling technicians deliver accurate, defensible results you can trust.
Why choose TDMA for sampling?
• Independent, regulator-trusted data
• Reduced liability and operator risk
• Proper sample preservation and documentation
• Full chain-of-custody management
Our team handles the entire process, from sample collection and preservation to documentation and delivery, ensuring your data stands up to regulatory review.
Compliance You Can Count On
New permit limits and sampling requirements can be challenging.
TDMA helps you stay compliant with experienced local technicians, consistent data collection, and clear documentation ready for state and federal reporting.

Ready to Get Started?
Whether you need dependable equipment or expert sampling support, TDMA delivers the accuracy and reliability your facility depends on.
