Rapidan Development Company, Inc.

Minnesota — Community Water System — PWSID: MN1070016

System Information

PWSID	MN1070016
System Name	Rapidan Development Company, Inc.
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	05
Serves School	No
Wholesaler	No
First Reported	Jan 24, 1981
Last Reported	Nov 25, 2025

Location & Contact

State	Minnesota
City	Mankato
ZIP Code	56001
Address	19127 Rapidan Avenue
Organization	Rapidan Development Company, Inc.
Phone	5079956747

Population & Service

Population Served	164
Service Connections	61

Drinking Water Violations (65)

This water system has 65 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
Jan 1, 2025	Mar 31, 2025	Combined Radium (-226 and -228)	MR	No	Yes	—	5 pCi/L	—	Archived	Mar 31, 2025	Radionuclides and Revised Rad Rule
Jan 1, 2025	Mar 31, 2025	Combined Radium (-226 and -228)	MR	No	Yes	—	5 pCi/L	—	Archived	Mar 31, 2025	Radionuclides and Revised Rad Rule
Jan 1, 2025	Mar 31, 2025	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Archived	Mar 31, 2025	Radionuclides and Revised Rad Rule
Jan 1, 2025	Mar 31, 2025	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Archived	Mar 31, 2025	Radionuclides and Revised Rad Rule
Oct 1, 2024	Dec 31, 2024	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Dec 31, 2024	Revised Total Coliform Rule
Oct 1, 2024	Dec 31, 2024	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Dec 31, 2024	Revised Total Coliform Rule
Oct 1, 2024	Dec 31, 2024	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Dec 31, 2024	Revised Total Coliform Rule
Oct 1, 2024	Dec 31, 2024	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Dec 31, 2024	Revised Total Coliform Rule
Oct 1, 2024	Dec 31, 2024	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Dec 31, 2024	Revised Total Coliform Rule
Jan 1, 2019	Dec 31, 2019	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2019	Nitrate Rule
Jan 1, 2019	Dec 31, 2019	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2019	Nitrate Rule
Jan 1, 2019	Dec 31, 2019	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2019	Nitrate Rule
Jan 1, 2019	Dec 31, 2019	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2019	Nitrate Rule
Jan 1, 2019	Dec 31, 2019	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2019	Nitrate Rule
Jan 1, 2019	Dec 31, 2019	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2019	Nitrate Rule
Jan 1, 2004	Mar 31, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 24, 2004	Total Coliform Rule
Jan 1, 2004	Mar 31, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 24, 2004	Total Coliform Rule
Jan 1, 2004	Mar 31, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 24, 2004	Total Coliform Rule
Jan 1, 2004	Mar 31, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 24, 2004	Total Coliform Rule
Jan 1, 2004	Mar 31, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 24, 2004	Total Coliform Rule
Jan 1, 2004	Mar 31, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 24, 2004	Total Coliform Rule
Oct 1, 2003	Dec 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 13, 2003	Total Coliform Rule
Oct 1, 2003	Dec 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 13, 2003	Total Coliform Rule
Oct 1, 2003	Dec 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 13, 2003	Total Coliform Rule
Oct 1, 2003	Dec 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 13, 2003	Total Coliform Rule
Oct 1, 2003	Dec 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 13, 2003	Total Coliform Rule
Oct 1, 2003	Dec 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 13, 2003	Total Coliform Rule
Oct 1, 2000	Oct 31, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 29, 2000	Total Coliform Rule
Oct 1, 2000	Oct 31, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 29, 2000	Total Coliform Rule
Oct 1, 2000	Oct 31, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 29, 2000	Total Coliform Rule
Oct 1, 2000	Oct 31, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 29, 2000	Total Coliform Rule
Oct 1, 2000	Oct 31, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 29, 2000	Total Coliform Rule
Oct 1, 2000	Oct 31, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 29, 2000	Total Coliform Rule
Feb 1, 2000	Feb 29, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 29, 2000	Total Coliform Rule
Feb 1, 2000	Feb 29, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 29, 2000	Total Coliform Rule
Feb 1, 2000	Feb 29, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 29, 2000	Total Coliform Rule
Feb 1, 2000	Feb 29, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 29, 2000	Total Coliform Rule
Feb 1, 2000	Feb 29, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 29, 2000	Total Coliform Rule
Feb 1, 2000	Feb 29, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 29, 2000	Total Coliform Rule
Feb 1, 2000	Feb 29, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 29, 2000	Total Coliform Rule
Feb 1, 2000	Feb 29, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 29, 2000	Total Coliform Rule
Jan 1, 1994	Mar 31, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Mar 31, 1994	Total Coliform Rule
Jan 1, 1994	Mar 31, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Mar 31, 1994	Total Coliform Rule
Jan 1, 1994	Mar 31, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Mar 31, 1994	Total Coliform Rule
Jan 1, 1994	Mar 31, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Mar 31, 1994	Total Coliform Rule
Oct 1, 1993	Dec 31, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1993	Total Coliform Rule
Oct 1, 1993	Dec 31, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1993	Total Coliform Rule
Oct 1, 1993	Dec 31, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1993	Total Coliform Rule
Oct 1, 1993	Dec 31, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1993	Total Coliform Rule
Jul 1, 1993	Sep 30, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Sep 30, 1993	Total Coliform Rule

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.

Browse All Water Systems Water Safety Stats Water Safety Home

Browse All Water Systems Water Systems in Minnesota