LECLAIRE, IA · Scott County

KNOLLCREST HOA Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.

System facts

System ID (PWSID): IA8222301
System type: Community Water System
Population served: 42
Service connections: 17
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
August 22, 2015 – June 29, 2016
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 22, 2015 – June 29, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2015 – May 31, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 20, 2014 – June 29, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2014 – May 31, 2014
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2014 – March 11, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
Styrene
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
Toluene
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
Vinyl chloride
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
LASSO
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
2,4-D
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
Picloram
July 1, 2008 – June 30, 2014
Resolved
Monitoring, Regular
—
Mercury
July 1, 2005 – June 30, 2014
Resolved
Monitoring, Regular
—
Selenium
July 1, 2005 – June 30, 2014
Resolved
Monitoring, Regular
—
Thallium, Total
July 1, 2005 – June 30, 2014
Resolved
Monitoring, Regular
—
Chromium
July 1, 2005 – June 30, 2014
Resolved
Monitoring, Regular
—
Arsenic
July 1, 2005 – June 30, 2014
Resolved
Monitoring, Regular
—
Antimony, Total
July 1, 2005 – June 30, 2014
Resolved
Monitoring, Regular
—
Arsenic
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Barium
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Cadmium
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Chromium
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Fluoride
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Mercury
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Nitrate
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Selenium
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
September 30, 1980 – September 29, 1983
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
August 22, 2015 – June 29, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 22, 2015 – June 29, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 1, 2015 – May 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 20, 2014 – June 29, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 1, 2014 – May 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2014 – March 11, 2015	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
March 1, 2014 – March 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	Styrene	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	Toluene	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	Vinyl chloride	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	Xylenes, Total	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	LASSO	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	2,4-D	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 2008 – June 30, 2014	Monitoring, Regular	Picloram	—	Resolved
July 1, 2005 – June 30, 2014	Monitoring, Regular	Mercury	—	Resolved
July 1, 2005 – June 30, 2014	Monitoring, Regular	Selenium	—	Resolved
July 1, 2005 – June 30, 2014	Monitoring, Regular	Thallium, Total	—	Resolved
July 1, 2005 – June 30, 2014	Monitoring, Regular	Chromium	—	Resolved
July 1, 2005 – June 30, 2014	Monitoring, Regular	Arsenic	—	Resolved
July 1, 2005 – June 30, 2014	Monitoring, Regular	Antimony, Total	—	Resolved
September 30, 1980 – September 29, 1983	Monitoring, Regular	Arsenic	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Barium	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Cadmium	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Chromium	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Fluoride	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Mercury	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Nitrate	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Selenium	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

May 9, 2018State Public Notification received2 linked violations
February 21, 2018State Public Notification requested3 linked violations
February 8, 2018State Compliance achieved2 linked violations
January 12, 2017State Public Notification received1 linked violation
October 19, 2016State Public Notification requested1 linked violation
October 19, 2016State Public Notification requested1 linked violation
October 19, 2016State Formal Notice of Violation issued2 linked violations
October 19, 2016State Formal Notice of Violation issued1 linked violation
October 6, 2016State Compliance achieved1 linked violation
October 6, 2016State Compliance achieved1 linked violation
June 29, 2016State Compliance achieved3 linked violations
June 29, 2016State Compliance achieved1 linked violation
June 29, 2016State Compliance achieved1 linked violation
June 29, 2016State Compliance achieved3 linked violations
June 29, 2016State Public Notification received4 linked violations
June 29, 2016State Public Notification received4 linked violations
June 29, 2016State Public Notification received5 linked violations
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Public Notification received3 linked violations
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Public Notification received4 linked violations
June 29, 2016State Public Notification received4 linked violations
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Public Notification received1 linked violation
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Public Notification received1 linked violation
June 29, 2016State Public Notification received1 linked violation
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Public Notification received1 linked violation
June 29, 2016State Public Notification received3 linked violations
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Compliance achieved1 linked violation
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Compliance achieved2 linked violations
June 29, 2016State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 29, 2016State Public Notification received2 linked violations
June 29, 2016State Compliance achieved2 linked violations
June 20, 2016State Formal Notice of Violation issued2 linked violations
June 20, 2016State Violation/Reminder Notice1 linked violation
June 20, 2016State Violation/Reminder Notice1 linked violation
June 20, 2016State Violation/Reminder Notice2 linked violations
October 15, 2015State Formal Notice of Violation issued1 linked violation
October 15, 2015State Violation/Reminder Notice2 linked violations
September 16, 2015State Formal Notice of Violation issued2 linked violations
September 16, 2015State Violation/Reminder Notice2 linked violations
September 16, 2015State Intentional no-actiongeneral compliance action — not tied to a specific violation on record
September 16, 2015State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
September 16, 2015State Violation/Reminder Notice1 linked violation
September 16, 2015State Intentional no-action7 linked violations
September 16, 2015State Intentional no-action1 linked violation
September 16, 2015State Formal Notice of Violation issued3 linked violations
September 10, 2015State Formal Notice of Violation issued2 linked violations
June 6, 2015State Compliance achieved2 linked violations
May 12, 2015State Formal Notice of Violation issued1 linked violation
May 12, 2015State Public Notification requested2 linked violations
May 12, 2015State Formal Notice of Violation issued1 linked violation
May 12, 2015State Public Notification requested2 linked violations
March 11, 2015State Compliance achieved2 linked violations
March 11, 2015State Compliance achieved2 linked violations
February 6, 2015State Intentional no-action1 linked violation
February 6, 2015State Violation/Reminder Notice2 linked violations
November 18, 2014State Formal Notice of Violation issued2 linked violations
November 18, 2014State Violation/Reminder Notice1 linked violation
September 16, 2014State Violation/Reminder Notice2 linked violations
September 16, 2014State Intentional no-action2 linked violations
August 28, 2014State Compliance achieved1 linked violation
August 28, 2014State Compliance achieved1 linked violation
August 18, 2014State Public Notification requested2 linked violations
August 18, 2014State Formal Notice of Violation issued3 linked violations
August 18, 2014State Public Notification requested1 linked violation
August 18, 2014State Formal Notice of Violation issued1 linked violation
August 18, 2014State Public Notification requested1 linked violation
August 18, 2014State Formal Notice of Violation issued1 linked violation
August 18, 2014State Formal Notice of Violation issued2 linked violations
August 18, 2014State Public Notification requested2 linked violations
August 18, 2014State Formal Notice of Violation issued2 linked violations
August 18, 2014State Public Notification requested2 linked violations
August 18, 2014State Formal Notice of Violation issued2 linked violations
August 18, 2014State Formal Notice of Violation issued2 linked violations
August 18, 2014State Public Notification requested1 linked violation
August 18, 2014State Formal Notice of Violation issued1 linked violation
August 18, 2014State Public Notification requested1 linked violation
August 18, 2014State Public Notification requested2 linked violations
August 18, 2014State Formal Notice of Violation issued1 linked violation
August 18, 2014State Formal Notice of Violation issued1 linked violation
August 18, 2014State Public Notification requested1 linked violation
August 18, 2014State Public Notification requested1 linked violation
August 18, 2014State Formal Notice of Violation issued4 linked violations
August 18, 2014State Public Notification requested2 linked violations
August 18, 2014State Public Notification requested3 linked violations
August 18, 2014State Public Notification requested4 linked violations
August 18, 2014State Public Notification requested2 linked violations
August 18, 2014State Formal Notice of Violation issued5 linked violations
August 18, 2014State Formal Notice of Violation issued7 linked violations
August 18, 2014State Formal Notice of Violation issued5 linked violations
August 18, 2014State Formal Notice of Violation issued9 linked violations
August 18, 2014State Formal Notice of Violation issued2 linked violations
August 18, 2014State Formal Notice of Violation issued1 linked violation
August 18, 2014State Public Notification requested2 linked violations
August 18, 2014State Formal Notice of Violation issued2 linked violations
August 18, 2014State Public Notification requested3 linked violations
August 18, 2014State Formal Notice of Violation issued5 linked violations
August 18, 2014State Formal Notice of Violation issued8 linked violations
August 18, 2014State Public Notification requested3 linked violations
August 18, 2014State Formal Notice of Violation issued2 linked violations
August 18, 2014State Formal Notice of Violation issued3 linked violations
August 18, 2014State Public Notification requested1 linked violation
August 18, 2014State Formal Notice of Violation issued1 linked violation
August 18, 2014State Public Notification requested1 linked violation
August 18, 2014State Public Notification requested1 linked violation
August 18, 2014State Public Notification requested1 linked violation
August 18, 2014State Formal Notice of Violation issued1 linked violation
August 18, 2014State Formal Notice of Violation issued1 linked violation
August 18, 2014State Public Notification requested1 linked violation
August 18, 2014State Formal Notice of Violation issued1 linked violation
August 18, 2014State Public Notification requested1 linked violation
August 18, 2014State Formal Notice of Violation issued1 linked violation
August 18, 2014State Public Notification requested1 linked violation
August 5, 2014State Compliance achieved1 linked violation
August 5, 2014State Compliance achieved11 linked violations
August 5, 2014State Compliance achieved2 linked violations
August 5, 2014State Compliance achieved1 linked violation
August 5, 2014State Compliance achieved1 linked violation
August 5, 2014State Compliance achieved1 linked violation
August 5, 2014State Compliance achieved1 linked violation
August 5, 2014State Compliance achieved2 linked violations
August 5, 2014State Compliance achieved1 linked violation
August 5, 2014State Compliance achieved3 linked violations
August 5, 2014State Compliance achieved1 linked violation
August 5, 2014State Compliance achieved1 linked violation
August 5, 2014State Compliance achieved2 linked violations
August 5, 2014State Compliance achieved5 linked violations
August 5, 2014State Compliance achieved5 linked violations
August 5, 2014State Compliance achieved1 linked violation
August 5, 2014State Compliance achieved5 linked violations
August 5, 2014State Compliance achieved2 linked violations
August 5, 2014State Compliance achieved2 linked violations
August 5, 2014State Compliance achieved1 linked violation
June 17, 2014State Public Notification requested5 linked violations
April 16, 2014State Formal Notice of Violation issued4 linked violations
April 16, 2014State Public Notification requested1 linked violation
July 24, 1990State Formal Notice of Violation issued2 linked violations
June 20, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
September 15, 1987State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
February 19, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
February 18, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
February 10, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

KNOLL CREST HOA OP

563-289-3373

LECLAIRE, IA 52753