http://www.water-research.net/Watershed/ammonia.htm

Ammonia toxicity is thought to be one of the main causes of unexplained losses in fish hatcheries. Although the ammonia molecule is a nutrient required for life, ...

https://www.waterboards.ca.gov/water_issues/programs/swamp/docs/cwt/guidance/3310en.pdf

Total ammonia is what is measured analytically in water. Why is it ... waters to contain concentrations of un-ionized ammonia in excess of the following limits.

https://www.epa.gov/wqc/aquatic-life-criteria-ammonia

Mar 13, 2019 ... ... on aquatic life, ammonia causes direct toxic effects on aquatic life. ... Aquatic Life Ambient Water Quality Criteria for Ammonia Freshwater ...

https://www.wqa.org/learn-about-water/common-contaminants/ammonia

Ammonia is a colorless, pungent gaseous compound of hydrogen and nitrogen that is highly soluble in water. It is a biologically active compound found in most ...

http://www.purewateroccasional.net/wtiammonia.html

Ammonia gets into water supplies most frequently as runoff in agricultural areas where it ... There is no evidence, for example, that ammonia can cause cancer.

https://www.who.int/water_sanitation_health/dwq/ammonia.pdf

Originally published in Guidelines for drinking-water quality, 2nd ed. Vol. 2. ..... [ Ammonium/ammonia as cause of bacterial regrowth in drinking-water pipes.] ...

https://www.wikihow.com/Lower-Ammonia-Levels-in-a-Fish-Tank-if-They-Are-Not-Very-High

Mar 29, 2019 ... By measuring your tank's water and making the necessary adjustments, you ... Fish waste can also cause spikes in ammonia as it decomposes.

http://public.health.oregon.gov/HealthyEnvironments/DrinkingWater/Monitoring/Documents/health/ammonia.pdf

0.4 mg/l (ppm) of ammonia to water to increase and extend the disinfecting ability ... Ammonia in air is an irritant and causes burning of the eyes, nose, throat and ...

https://thefishsite.com/articles/managing-ammonia-in-fish-ponds

Ammonia in water is either unionized ammonia (NH3) or the ammonium ion .... This may cause stress in fish at a time of year when the fish immune system is ...

https://www.alken-murray.com/TESTS01.htm

Ammonia is rapidly oxidized by certain bacteria, in natural water systems, ... plant life and thus contribute to overloading of natural systems and cause pollution.