PlainWater

BYRAM HILLS HIGH SCHOOL

PWS ID: NY5907710 · ARMONK, New York 10504

Population Served
800
Total Violations
436
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
2
County
Westchester
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
429
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 21 2009
Endrin MR 10 2003
Chlordane MR 10 2003
Pentachlorophenol MR 10 2003
HEXACHLOROBENZENE MR 10 2003
2,4,5-TP MR 10 2003
2,4-D MR 10 2003
Heptachlor epoxide MR 10 2003
Heptachlor MR 10 2003
LASSO MR 10 2003
Atrazine MR 10 2003
Carbofuran MR 10 2003
Aldicarb sulfoxide MR 10 2003
Hexachlorocyclopentadiene MR 10 2003
Picloram MR 10 2003
Di(2-ethylhexyl) phthalate MR 10 2003
Simazine MR 10 2003
OXAMYL MR 10 2003
Di(2-ethylhexyl) adipate MR 10 2003
Toxaphene MR 10 2003
Dalapon MR 10 2003
Aldicarb sulfone MR 10 2003
Aldicarb MR 10 2003
Benzo(a)pyrene MR 10 2003
ETHYLENE DIBROMIDE MR 10 2003
BHC-GAMMA MR 10 2003
Total Polychlorinated Biphenyls (PCB) MR 10 2003
Dinoseb MR 10 2003
Methoxychlor MR 10 2003
Coliform (TCR) MR 8 2016
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.