What are the 3 indicators of water quality?

Background. Scientists measure a variety of properties to determine water quality. These include temperature, acidity (pH), dissolved solids (specific conductance), particulate matter (turbidity), dissolved oxygen, hardness and suspended sediment.

What are the 5 indicators of water quality fresh water )?

The parameters most commonly monitored by volunteers in streams are discussed in detail in this chapter. They include stream flow, dissolved oxygen and biochemical oxygen demand, temperature, pH, turbidity, phosphorus, nitrates, total solids, conductivity, total alkalinity, and fecal bacteria.

What are quality indicators?

The Quality Indicators (QIs) are measures of health care quality that use readily available hospital inpatient administrative data. AHRQ develops Quality Indicators to provide health care decisionmakers with tools to assess their data.

What are the 4 main indicators of water quality?

Physico-chemical indicators are the traditional ‘water quality’ indicators that most people are familiar with. They include dissolved oxygen, pH, temperature, salinity and nutrients (nitrogen and phosphorus).

What are the 4 quality indicators?

The AHRQ QIs include four modules: Prevention Quality Indicators (PQIs), Inpatient Quality Indicators (IQIs), Patient Safety Indicators (PSIs), and Pediatric Quality Indicators (PDIs).

What are water quality indicators?

Water quality parameters include a wide range of chemical, physical and biological properties, with six principal indicators: dissolved oxygen, turbidity, pH, bioindicators, nitrate chemicals, and water temperature.

What are biological indicators of water quality?

Biological indicators are direct measures of the health of the fauna and flora in the waterway. Commonly used biological indicators in freshwater include various measures of macroinvertebrate or fish diversity, benthic algal growth and benthic oxygen demand.

What are examples of quality indicators?

Examples include:

• Number of beds and the types of services available.
• Whether the hospital is accredited or has other types of specialty certification.
• The use of electronic patient medical records or prescription ordering systems.
• Percentage of physicians who are board-certified.
• Nurse-to-patient staffing ratios.