Nitrite

Archbold Village

Nitrite, closely related to the fertilizer chemical nitrate, comes from urban runoff and from fertilizer applied to agricultural lands to pollute drinking water. Nitrite is significantly more toxic than nitrate. Excessive nitrite in water can cause oxygen deprivation in infants and increase the risk of cancer.

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Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	N/A	0	N/A
2015	N/A	0	N/A
2016	N/A	0	N/A
2017	ND	12	ND
2018	ND	12	ND
2019	ND	10	ND

ppm = parts per million

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 1 ppm

The legal limit for nitrite, established in 1991, was based on the rate of conversion of ingested nitrate into nitrite in adults. This limit may not fully protect against the risk of cancer due to nitrite exposure.

ppm = parts per million

All test results

Date	Lab ID	Result
2017-01-12	AH40420	ND
2017-02-07	AH42509	ND
2017-03-07	AH44527	ND
2017-04-13	AH47212	ND
2017-05-09	AH49353	ND
2017-06-06	AH51264	ND
2017-07-13	AH54606	ND
2017-08-08	AH56782	ND
2017-09-07	AH59174	ND
2017-10-12	AH62174	ND
2017-11-07	AH63741	ND
2017-12-07	AH65955	ND
2018-01-11	AH67995	ND
2018-02-13	AH69929	ND
2018-03-06	AH71310	ND
2018-04-12	AH74096	ND
2018-05-08	AH75845	ND
2018-06-07	AH77862	ND
2018-07-12	AH80613	ND
2018-08-16	AH83264	ND
2018-09-11	AH85178	ND
2018-10-11	AH87863	ND
2018-11-08	AH89824	ND
2018-12-11	AH91960	ND
2019-01-03	AH93293	ND
2019-02-05	AH95202	ND
2019-03-07	AH97392	ND
2019-04-04	AH99408	ND
2019-05-07	AI01624	ND
2019-06-04	AI03596	ND
2019-07-02	AI05913	ND
2019-08-08	AI08638	ND
2019-09-03	AI10549	ND
2019-10-01	AI12829	ND