1) WHO-IARC 2006. 
International Agency for Research on Cancer. Ingested nitrate and nitrite, and cyanobacterial peptide toxins. Lyon (FRA) 2010. Accessed 25 Feb 2021. 

2) Schullehner 2018.  
Schullehner et al. “Nitrate in drinking water and colorectal cancer risk: A nationwide population‐based cohort study.” International journal of cancer 143, no. 1 (2018): 73-79. 

3) Richards, Chambers 2021. 
Richards J, Chambers T, Hales S, Joy M, Radu T, Woodward A, Humphrey A, Randal E, Baker MG. Nitrate contamination in drinking water and colorectal cancer: Exposure assessment and estimated health burden in New Zealand. Environ Res. 2022 Mar.

4) Sherris 2021. 
Sherris Allison R, et al. Nitrate in Drinking Water during Pregnancy and Spontaneous Preterm Birth: A Retrospective Within-Mother Analysis in California. Environmental Health Perspectives. 2021;129(5):057001 

5) Coffman 2021. 
Coffman VR, Jensen AS, Trabjerg BB, Pedersen CB, Hansen B, Sigsgaard T et al. Prenatal exposure to nitrate from drinking water and markers of fetal growth restriction: A population-based study of nearly one million Danish-born children. Environmental Health Perspectives. 2021;129(2):027002.

6) NZCPHM & PHA 2019. 
NZCPHM – New Zealand College of Public Health Medicine and PHA – Public Health Association. “Submission to the Ministry for the Environment: Action for Healthy Waterways” (2019).

7) NZ College of Midwives 2021.
New Zealand College of Midwives, Member advisory: 27th May 2021, Nitrate levels in drinking water: risks for pregnant women and formula-fed babies.

8) MfE Environment Aotearoa 2019

9) MfE Our Land report –  2021.

10) StatsNZ 2021. 
MFE and Stats NZ 2015 “Environmental Reporting: Nitrogen leached from soil 1990–2012” – from the dataset accessed May 2021
Stats NZ. “Fertilisers – nitrogen and phosphorus” (2021) 

11) Groundwater monitoring data from the LAWA 2022 and ECan 2022 datasets. 

12) Temkin 2019.
TEMKIN, A., EVANS, S., MANIDIS, T., CAMPBELL, C. and NAIDENKO, O., 2019. Exposure-based assessment and economic valuation of adverse birth outcomes and cancer risk due to nitrate in United States drinking water. Environmental Research, 176.