PITTSBURG, MO · Hickory County

WHITESIDE HIDDEN ACRES Water System

Current status

3 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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 Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.

System facts

System ID (PWSID): MO5208303
System type: Community Water System
Population served: 92
Service connections: 37
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2025 – December 31, 2025
Archived
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024
Unaddressed
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2023
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – April 2, 2024
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Benzene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Toluene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Barium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Cadmium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Chromium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
CYANIDE
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Thallium, Total
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Arsenic
January 1, 2023 – December 31, 2025
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
November 17, 2022 – March 28, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – April 2, 2024
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2021 – June 30, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – April 2, 2024
Resolved
Monitoring, Regular
—
Aldicarb
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Chlordane
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
2,4-D
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Picloram
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Simazine
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Dalapon
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Endrin
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
LASSO
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Atrazine
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
July 11, 2018 – February 1, 2019
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
July 1, 2018 – February 1, 2019
Resolved
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
January 21, 2018 – April 4, 2018
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
December 1, 2017 – July 25, 2018
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2017 – June 18, 2018
Resolved
Monitoring, Regular
—
Chromium
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Benzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Toluene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Styrene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Barium
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Mercury
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Selenium
January 1, 2017 – December 31, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
December 24, 2014 – June 20, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – September 15, 2015
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
December 1, 2013 – July 25, 2018
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2013 – November 30, 2013
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
November 1, 2013 – July 25, 2018
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
October 1, 2013 – October 31, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – September 15, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 11, 2011 – February 25, 2014
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2010 – November 24, 2014
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2010 – September 30, 2010
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2009 – January 26, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2009 – February 28, 2009
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
November 1, 2008 – December 31, 2010
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 1, 2008 – December 31, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2008 – October 31, 2008
Archived
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2008 – December 31, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2003 – July 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2002 – September 30, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 1994 – April 30, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1993 – May 31, 1993
Archived

Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate-Nitrite	—	Archived
October 17, 2024	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
July 1, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Unaddressed
December 30, 2023	Lead Consumer Notice	Lead and Copper Rule	—	Unaddressed
July 1, 2023 – April 2, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	Xylenes, Total	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Benzene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Toluene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Barium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Cadmium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Chromium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	CYANIDE	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Thallium, Total	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Arsenic	—	Archived
November 17, 2022 – March 28, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2022 – April 2, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2021 – June 30, 2023	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2021 – April 2, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Aldicarb	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Chlordane	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	2,4-D	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Picloram	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Simazine	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Dalapon	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Endrin	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	LASSO	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Atrazine	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Aldicarb sulfone	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Aldicarb sulfoxide	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
July 11, 2018 – February 1, 2019	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
July 1, 2018 – February 1, 2019	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 21, 2018 – April 4, 2018	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
December 1, 2017 – July 25, 2018	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 1, 2017 – June 18, 2018	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Chromium	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Benzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Toluene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Styrene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Barium	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Mercury	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Selenium	—	Resolved
December 24, 2014 – June 20, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2014 – September 15, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 1, 2013 – July 25, 2018	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
November 1, 2013 – November 30, 2013	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 2013 – July 25, 2018	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 1, 2013 – October 31, 2013	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2013 – September 15, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 11, 2011 – February 25, 2014	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2010 – November 24, 2014	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
September 1, 2010 – September 30, 2010	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2009 – January 26, 2011	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
February 1, 2009 – February 28, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 2008 – December 31, 2010	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2008 – December 31, 2010	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2008 – October 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 2008 – December 31, 2008	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
July 1, 2003 – July 31, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2002 – September 30, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1994 – April 30, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 1993 – May 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived

Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

February 7, 2011State Compliance achieved1 linked violation
January 26, 2011State Compliance achieved4 linked violations
December 31, 2010State Intentional no-action2 linked violations
December 31, 2010State Compliance achieved1 linked violation
November 10, 2010State Violation/Reminder Notice1 linked violation
November 10, 2010State Public Notification requested1 linked violation
October 22, 2010State Public Notification requested1 linked violation
October 22, 2010State Violation/Reminder Notice1 linked violation
July 23, 2009State Public Notification issued11 linked violations
December 19, 2008State Violation/Reminder Notice3 linked violations
November 25, 2008State Public Notification requested2 linked violations
May 18, 2008State Compliance achieved1 linked violation
June 27, 2005State Violation/Reminder Notice3 linked violations
January 24, 2005State Violation/Reminder Notice8 linked violations
July 16, 2004State Compliance achieved7 linked violations
January 23, 2004State Public Notification received1 linked violation
January 12, 2004State Public Notification received1 linked violation
December 23, 2003State Violation/Reminder Notice1 linked violation
December 23, 2003State Public Notification requested1 linked violation
December 1, 2003State Violation/Reminder Notice1 linked violation
December 1, 2003State Public Notification requested1 linked violation
August 21, 2003State Violation/Reminder Notice1 linked violation
August 21, 2003State Public Notification requested1 linked violation
January 8, 2003State Bilateral Compliance Agreement signed7 linked violations
December 4, 2002State Public Notification issued9 linked violations
November 18, 2002State Violation/Reminder Notice2 linked violations
November 18, 2002State Public Notification requested1 linked violation
July 2, 2002State Violation/Reminder Notice23 linked violations
July 2, 2002State Public Notification requested25 linked violations

Contact

WHITESIDE, SHELLY

417-298-2409

PITTSBURG, MO 65724-0000