SILVER PLUME TOWN OF

710 MAIN ST, SILVER PLUME, CO, 80476 · 303-569-2363

Legal business name: NIHISER, CHELSEA

On the EPA record

Population served: 180
Service connections: 132
System type: Community water system
Primary water source: Surface water
Owner type: Local government

Drinking-water violations on record (38)

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.

2026-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Lead Consumer Notice — Lead and Copper Rule

Recorded as corrected on 2026-01-20.

2025-07-03 — Other Violation

category Other · monitoring & reporting

Public Notification Violation without NPDWR Violation — Public Notice

Recorded as corrected on 2025-10-05.

2025-07-02 — Reporting Violation

category RPT · monitoring & reporting

Notification, Known or Potential LSL — LEAD AND COPPER RULE REVISIONS

2023-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2023-10-20.

2022-06-01 — Treatment Technique Violation

category TT · health-based

Treatment Technique (SWTR and GWR) — Surface Water Treatment Rule

Recorded as corrected on 2022-06-30.

2022-05-01 — Treatment Technique Violation

category TT · health-based

Treatment Technique (SWTR and GWR) — Surface Water Treatment Rule

Recorded as corrected on 2022-05-31.

2022-04-01 — Treatment Technique Violation

category TT · health-based

Treatment Technique (SWTR and GWR) — Surface Water Treatment Rule

Recorded as corrected on 2022-04-30.

2021-11-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring of Treatment (SWTR-Filter) — Surface Water Treatment Rule

Recorded as corrected on 2021-11-30.

2021-11-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Turbidity (Enhanced SWTR) — Interim Enhanced Surface Water Treatment Rule

Recorded as corrected on 2021-11-30.

2021-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2021-07-14.

2020-09-01 — Other Violation

category Other · monitoring & reporting

Public Notification Violation for NPDWR Violation — Public Notice

Recorded as corrected on 2021-06-13.

2020-04-01 — Treatment Technique Violation

category TT · health-based

OCCT/SOWT Study/Recommendation — Lead and Copper Rule

Recorded as corrected on 2020-10-01.

2019-06-01 — Monitoring and Reporting

category MR · monitoring & reporting

Water Quality Parameter M/R — Lead and Copper Rule

Recorded as corrected on 2019-11-30.

2006-07-01 — Other Violation

category Other · monitoring & reporting

Consumer Confidence Report Complete Failure to Report — Consumer Confidence Rule

Recorded as corrected on 2006-10-02.

2004-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2004-10-31.

2003-11-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring of Treatment (SWTR-Filter) — Surface Water Treatment Rule

Recorded as corrected on 2003-11-30.

2003-11-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2003-11-30.

2003-05-01 — Treatment Technique Violation

category TT · health-based

Treatment Technique (SWTR and GWR) — Surface Water Treatment Rule

Recorded as corrected on 2003-05-31.

2003-03-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring of Treatment (SWTR-Filter) — Surface Water Treatment Rule

Recorded as corrected on 2003-03-31.

2002-06-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 2002-06-30.

2001-08-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring of Treatment (SWTR-Filter) — Surface Water Treatment Rule

Recorded as corrected on 2001-08-31.

2001-01-01 — Treatment Technique Violation

category TT · health-based

Treatment Technique (SWTR and GWR) — Surface Water Treatment Rule

Recorded as corrected on 2001-01-31.

1999-12-01 — Treatment Technique Violation

category TT · health-based

Treatment Technique (SWTR and GWR) — Surface Water Treatment Rule

Recorded as corrected on 1999-12-31.

1999-09-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 1999-09-30.

1999-06-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring of Treatment (SWTR-Filter) — Surface Water Treatment Rule

Recorded as corrected on 1999-06-30.

1999-03-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring of Treatment (SWTR-Filter) — Surface Water Treatment Rule

Recorded as corrected on 1999-03-31.

1997-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring of Treatment (SWTR-Filter) — Surface Water Treatment Rule

Recorded as corrected on 1997-07-31.

1994-10-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring of Treatment (SWTR-Filter) — Surface Water Treatment Rule

Recorded as corrected on 1994-10-31.

1994-09-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 1994-09-30.

1994-09-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring of Treatment (SWTR-Filter) — Surface Water Treatment Rule

Recorded as corrected on 1994-09-30.

1994-08-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 1994-08-31.

1994-08-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring of Treatment (SWTR-Filter) — Surface Water Treatment Rule

Recorded as corrected on 1994-08-31.

1994-07-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring of Treatment (SWTR-Filter) — Surface Water Treatment Rule

Recorded as corrected on 1994-07-31.

1994-06-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring of Treatment (SWTR-Filter) — Surface Water Treatment Rule

Recorded as corrected on 1994-06-30.

1993-06-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 1993-06-30.

1993-02-01 — Monitoring and Reporting

category MR · monitoring & reporting

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

Recorded as corrected on 1993-02-28.

1992-01-01 — Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Gross Alpha, Excl. Radon and U

Recorded as corrected on 1995-12-31.

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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) CO0110035