RSU 40 MEDOMAK VALLEY HIGH SCHOOL

Maine — Non-Transient Non-Community — PWSID: ME0000650

System Information

PWSID	ME0000650
System Name	RSU 40 MEDOMAK VALLEY HIGH SCHOOL
System Type	Non-Transient Non-Community
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	01
Serves School	Yes
Wholesaler	No
First Reported	Oct 24, 1979
Last Reported	Nov 17, 2025

Location & Contact

State	Maine
City	UNION
ZIP Code	04862
Address	PO BOX 701
Organization	RACE, BRIAN
Phone	207-785-2277

Population & Service

Population Served	669
Service Connections	1

Drinking Water Violations (64)

This water system has 64 violations recorded in the EPA SDWIS database.

Begin Date	End Date	Contaminant	Category	Health-Based	Major	Measured	Federal MCL	State MCL	Status	Return to Compliance	Rule
Oct 1, 2007	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Oct 1, 2007	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Oct 1, 2007	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Oct 1, 2007	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Jul 1, 2007	Sep 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2007	Arsenic Rule
Jul 1, 2007	Sep 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2007	Arsenic Rule
Jul 1, 2007	Sep 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2007	Arsenic Rule
Jul 1, 2007	Sep 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2007	Arsenic Rule
Apr 1, 2007	Jun 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2007	Arsenic Rule
Apr 1, 2007	Jun 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2007	Arsenic Rule
Apr 1, 2007	Jun 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2007	Arsenic Rule
Apr 1, 2007	Jun 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2007	Arsenic Rule
Jan 1, 2007	Mar 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2007	Arsenic Rule
Jan 1, 2007	Mar 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2007	Arsenic Rule
Jan 1, 2007	Mar 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2007	Arsenic Rule
Jan 1, 2007	Mar 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2007	Arsenic Rule
Aug 1, 2006	Aug 31, 2006	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2006	Total Coliform Rule
Aug 1, 2006	Aug 31, 2006	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2006	Total Coliform Rule
Aug 1, 2006	Aug 31, 2006	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2006	Total Coliform Rule
Aug 1, 2006	Aug 31, 2006	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2006	Total Coliform Rule
Jan 1, 2005	Dec 31, 2007	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2005	Dec 31, 2007	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2005	Dec 31, 2007	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2005	Dec 31, 2007	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2005	Dec 31, 2007	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2005	Dec 31, 2007	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2005	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2005	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2005	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 7, 2008	Lead and Copper Rule
Jan 1, 2005	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Jan 1, 2005	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Jan 1, 2005	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Jan 1, 2005	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Jan 1, 2005	Dec 31, 2007	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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