CHAPARRAL WATER SYSTEM GILLESPIE

1630 DES PERES RD STE 140, DES PERES, MO, 63131-1871 · 254-355-9124

Legal business name: WITTWER, CLARENCE

On the EPA record

Population served: 159
Service connections: 53
System type: Community water system
Primary water source: Ground water
Owner type: Private

Drinking-water violations on record (96)

EPA's SDWIS records each violation as codes, not sentences. Each one below is shown with EPA's own published description of that violation type and contaminant. Health-based violations — a contaminant limit or treatment requirement not met — are marked apart from monitoring and reporting failures.

2025-04-01 — Monitoring and Reporting

category MR · monitoring & reporting

Lead Consumer Notice — Lead and Copper Rule

Recorded as corrected on 2025-09-24.

2024-10-01 — Treatment Technique Violation

category TT · health-based

OCCT/SOWT Study/Recommendation — Lead and Copper Rule

Recorded as corrected on 2024-12-13.

2024-10-01 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2025-08-26.

2024-04-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2024-06-30.

2024-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Water Quality Parameter M/R — Lead and Copper Rule

Recorded as corrected on 2024-06-30.

2023-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Nitrate

Recorded as corrected on 2023-03-31.

2022-04-01 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2024-12-06.

2021-12-01 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2024-12-06.

2021-10-02 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2021-04-23.

2021-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2021-12-31.

2021-03-01 — Monitoring Violation

category MON · monitoring & reporting

Monitoring, Routine (RTCR) — Revised Total Coliform Rule

Recorded as corrected on 2021-03-31.

2021-02-25 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2021-04-23.

2020-11-01 — Monitoring Violation

category MON · monitoring & reporting

Monitoring, Routine (RTCR) — Revised Total Coliform Rule

Recorded as corrected on 2020-11-30.

2020-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2020-12-31.

2020-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2020-09-30.

2020-04-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2020-06-30.

2020-02-01 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2020-02-20.

2020-01-09 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2020-02-19.

2019-12-30 — Monitoring and Reporting

category MR · monitoring & reporting

Lead Consumer Notice — Lead and Copper Rule

Recorded as corrected on 2020-10-13.

2019-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2019-12-31.

2019-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2019-09-30.

2019-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Inadequate Reporting — Consumer Confidence Rule

Recorded as corrected on 2020-02-18.

2019-06-27 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2020-02-19.

2019-04-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2019-06-30.

2019-01-01 — Monitoring Violation

category MON · monitoring & reporting

Monitoring, Routine (RTCR) — Revised Total Coliform Rule

Recorded as corrected on 2019-01-31.

2019-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2019-03-31.

2018-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Follow-up Or Routine LCR Tap M/R — Lead and Copper Rule

Recorded as corrected on 2021-08-11.

2018-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2018-03-31.

2017-09-25 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2020-02-19.

2017-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2017-03-31.

2016-12-30 — Monitoring and Reporting

category MR · monitoring & reporting

Lead Consumer Notice — Lead and Copper Rule

Recorded as corrected on 2017-10-09.

2015-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Follow-up Or Routine LCR Tap M/R — Lead and Copper Rule

2015-07-08 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2015-12-22.

2015-02-13 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2015-12-22.

2014-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Follow-up Or Routine LCR Tap M/R — Lead and Copper Rule

2014-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2014-12-31.

2014-09-10 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2015-12-22.

2014-05-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Major (TCR) — Coliform (TCR)

Recorded as corrected on 2014-05-31.

2014-04-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Major (TCR) — Coliform (TCR)

Recorded as corrected on 2014-04-30.

2013-12-30 — Monitoring and Reporting

category MR · monitoring & reporting

Lead Consumer Notice — Lead and Copper Rule

Recorded as corrected on 2017-10-09.

2013-02-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Major (TCR) — Coliform (TCR)

Recorded as corrected on 2013-02-28.

2012-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2013-06-15.

2012-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2012-09-30.

2012-05-12 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2020-02-20.

2012-03-11 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2020-02-20.

2012-02-10 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2013-05-28.

2012-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Major (TCR) — Coliform (TCR)

Recorded as corrected on 2012-01-31.

2012-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2012-03-31.

2011-11-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Minor (TCR) — Coliform (TCR)

Recorded as corrected on 2011-11-30.

2011-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Source Water (GWR) — E. COLI

Recorded as corrected on 2016-07-05.

2011-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Repeat Major (TCR) — Coliform (TCR)

Recorded as corrected on 2011-10-31.

2011-10-01 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2013-05-28.

2011-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2011-12-31.

2011-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Follow-up Or Routine LCR Tap M/R — Lead and Copper Rule

Recorded as corrected on 2018-04-17.

2011-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2013-06-15.

2011-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Inadequate Reporting — Consumer Confidence Rule

Recorded as corrected on 2013-06-15.

2011-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Nitrate

Recorded as corrected on 2011-09-30.

2011-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2011-09-30.

2011-04-15 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2020-02-20.

2011-04-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2011-06-30.

2011-02-10 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2020-02-20.

2011-01-10 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2011-04-01.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Nitrite

Recorded as corrected on 2011-03-31.

2011-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Nitrate

Recorded as corrected on 2011-03-31.

2010-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Minor (TCR) — Coliform (TCR)

Recorded as corrected on 2010-10-31.

2010-09-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Source Water (GWR) — E. COLI

Recorded as corrected on 2012-04-18.

2010-09-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Major (TCR) — Coliform (TCR)

Recorded as corrected on 2010-09-30.

2010-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2013-07-26.

2010-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Inadequate Reporting — Consumer Confidence Rule

Recorded as corrected on 2013-07-26.

2010-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2010-09-30.

2009-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2011-01-28.

2009-01-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Inadequate Reporting — Consumer Confidence Rule

Recorded as corrected on 2011-01-28.

2008-11-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Major (TCR) — Coliform (TCR)

Recorded as corrected on 2008-11-30.

2008-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2008-09-30.

2008-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2008-03-31.

2007-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2007-12-31.

2007-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2011-01-28.

2007-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2007-09-30.

2007-04-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2007-06-30.

2007-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2007-03-31.

2006-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2006-12-31.

2006-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2006-09-30.

2006-04-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2006-06-30.

2006-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2006-03-31.

2006-01-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Inadequate Reporting — Consumer Confidence Rule

Recorded as corrected on 2011-01-28.

2005-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2005-12-31.

2005-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2005-09-30.

2005-04-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2005-06-30.

2005-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2005-03-31.

2004-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2004-12-31.

2004-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2004-09-30.

2004-04-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2004-06-30.

2004-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Chlorine

Recorded as corrected on 2004-03-31.

2003-11-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Major (TCR) — Coliform (TCR)

Recorded as corrected on 2003-11-30.

2003-08-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Routine Major (TCR) — Coliform (TCR)

Recorded as corrected on 2003-08-31.

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monitoring & reporting

Safe Drinking Water Act violation (EPA violation type code ?)

Source: US Environmental Protection Agency (EPA) · EPA public water system ID (PWSID) TX0860010