Facility detail

NATIONAL OILWELL VARCO LP

5870 POE AVE, DAYTON, OH, 45414

Parent company: NATIONAL OILWELL VARCO INC

Carcinogen — EPA classifications across all reporting years

Start another search Verify on EPA ECHO ↗

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

Top chemical totals

The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.

Full release table

Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.

All values in pounds (lbs)
Year	Chromium compounds (except for chromite ore mined in the Transvaal Region)	Chromium	Nickel compounds	Nickel	Manganese	Total (lbs)
2019	250	—	250	—	—	750
2018	—	—	—	—	—	370
2017	171	—	171	—	—	362
2016	359	—	250	—	—	647
2015	325	—	263	—	—	623
2014	299	—	194	—	—	525
2013	17	—	12	—	—	29
2012	—	16	—	12	—	28
2011	—	18	—	18	—	36
2010	—	20	—	14	—	34
2009	—	12	—	9	—	21
2008	—	36	—	25	—	61
2007	—	40	—	28	—	68
2006	—	21	—	15	—	36
2005	—	14	—	10	—	24
2004	—	29	—	20	—	49
2003	—	65	—	45	—	110
2002	—	68	—	48	—	116
2001	—	32	—	22	3	57
2000	—	110	—	75	11	196
1999	—	94	—	66	9	169
1998	—	37	—	26	4	67
1997	—	49	—	34	5	88
1996	—	250	—	250	250	750
1995	—	250	—	250	250	750
1994	—	5	—	5	5	15
1993	—	5	—	5	5	15
1992	—	5	—	5	5	15
1991	—	5	—	5	5	15

▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.