Introduction. Water Quality Regulations and Policy Evolution. Water Quality Criteria. Standard Operating Procedures (SOPs) for Water Quality Sampling. Developing Quality Assurance Plan. Surface Water Sampling. Groundwater Sampling. Soil and Pore Water Sampling. Coastal Water Sampling. Sample Handling. Field Measurements. Selecting Laboratories and Analytical Methods. Water Quality Data Analysis, Evaluation, and Reporting. Examples of Water Quality Monitoring Programs. Conclusion.