Mount Vernon Water Works
Published drinking-water records and contacts for Mount Vernon Water Works. System IN5265006. Review sources and dates; not a real-time water assessment.
- System ID
- IN5265006
- State or territory
- IN
- Published population served
- 6426
- System type (source code)
- CWS
Published records and dates
- PFAS / lithium (EPA UCMR 5): 120 — 2024-03-04 – 2024-12-03
- Lead and copper monitoring summaries: 17 — 1992-07-01 – 2026-12-31
- Indiana IDEM PFAS study — Phase 1 resampling: 36 — 2022-07-27 – 2022-07-27
- Indiana IDEM PFAS study — Phase 4: 18 — 2024-07-23 – 2024-07-23
- Indiana IDEM PFAS study — Phase 4 resampling: 18 — 2024-09-16 – 2024-09-16
Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.
Published testing results
Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.
“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example
| Substance | Published result | Reporting limit | Sample date | Sampling location |
|---|---|---|---|---|
| 11Cl-PF3OUdS | < 0.005 µg/L | 0.005 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| 4:2 FTS | < 0.003 µg/L | 0.003 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| 6:2 FTS | < 0.005 µg/L | 0.005 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| 8:2 FTS | < 0.005 µg/L | 0.005 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| 9Cl-PF3ONS | < 0.002 µg/L | 0.002 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| ADONA | < 0.003 µg/L | 0.003 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| HFPO-DA | 0.0050 µg/L | 0.005 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| NEtFOSAA | < 0.005 µg/L | 0.005 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| NFDHA | < 0.02 µg/L | 0.02 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| NMeFOSAA | < 0.006 µg/L | 0.006 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFBA | < 0.005 µg/L | 0.005 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFBS | < 0.003 µg/L | 0.003 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFDA | < 0.003 µg/L | 0.003 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFDoA | < 0.003 µg/L | 0.003 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFEESA | < 0.003 µg/L | 0.003 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFHpA | < 0.003 µg/L | 0.003 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFHpS | < 0.003 µg/L | 0.003 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFHxA | 0.0030 µg/L | 0.003 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFHxS | < 0.003 µg/L | 0.003 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFMBA | < 0.003 µg/L | 0.003 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFMPA | < 0.004 µg/L | 0.004 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFNA | < 0.004 µg/L | 0.004 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFOA | < 0.004 µg/L | 0.004 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFOS | < 0.004 µg/L | 0.004 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFPeA | 0.0174 µg/L | 0.003 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFPeS | < 0.004 µg/L | 0.004 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFTA | < 0.008 µg/L | 0.008 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFTrDA | < 0.007 µg/L | 0.007 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| PFUnA | < 0.002 µg/L | 0.002 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
| lithium | < 9 µg/L | 9 µg/L | 2024-12-03 | MOUNT VERNON WATER WORKS / EP001 |
Download all EPA UCMR 5 records (CSV)
Lead and copper: 90th-percentile summaries
These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile
| Substance | Published 90th percentile | Monitoring period | Source quarter |
|---|---|---|---|
| Lead (PB90) | 0.00125 mg/L | 2024-01-01 – 2026-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2021-01-01 – 2023-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2018-01-01 – 2020-12-31 | 2026Q3 |
| Lead (PB90) | 0.003 mg/L | 2015-01-01 – 2017-12-31 | 2026Q3 |
| Lead (PB90) | 0.0021 mg/L | 2012-01-01 – 2014-12-31 | 2026Q3 |
| Lead (PB90) | 0.0011 mg/L | 2011-01-01 – 2013-12-31 | 2026Q3 |
| Lead (PB90) | 0.0012 mg/L | 2008-01-01 – 2010-12-31 | 2026Q3 |
| Lead (PB90) | 0.0071 mg/L | 2005-01-01 – 2007-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| 11Cl-PF3OUdS | Below a limit; numeric threshold unavailable ng/L | 2024-09-16 | Mount Vernon Water Works / Indiana IDEM PFAS study — Phase 4 resampling |
| 9Cl-PF3ONS | Below a limit; numeric threshold unavailable ng/L | 2024-09-16 | Mount Vernon Water Works / Indiana IDEM PFAS study — Phase 4 resampling |
| ADONA | Below a limit; numeric threshold unavailable ng/L | 2024-09-16 | Mount Vernon Water Works / Indiana IDEM PFAS study — Phase 4 resampling |
| HFPO-DA | 2.2 ng/L | 2024-09-16 | Mount Vernon Water Works / Indiana IDEM PFAS study — Phase 4 resampling |
| NEtFOSAA | Below a limit; numeric threshold unavailable ng/L | 2024-09-16 | Mount Vernon Water Works / Indiana IDEM PFAS study — Phase 4 resampling |
| NMeFOSAA | Below a limit; numeric threshold unavailable ng/L | 2024-09-16 | Mount Vernon Water Works / Indiana IDEM PFAS study — Phase 4 resampling |
| PFBS | 2.3 ng/L | 2024-09-16 | Mount Vernon Water Works / Indiana IDEM PFAS study — Phase 4 resampling |
| PFDA | Below a limit; numeric threshold unavailable ng/L | 2024-09-16 | Mount Vernon Water Works / Indiana IDEM PFAS study — Phase 4 resampling |
| PFDoA | Below a limit; numeric threshold unavailable ng/L | 2024-09-16 | Mount Vernon Water Works / Indiana IDEM PFAS study — Phase 4 resampling |
| PFHpA | Below a limit; numeric threshold unavailable ng/L | 2024-09-16 | Mount Vernon Water Works / Indiana IDEM PFAS study — Phase 4 resampling |
| PFHxA | 2.3 ng/L | 2024-09-16 | Mount Vernon Water Works / Indiana IDEM PFAS study — Phase 4 resampling |
| PFHxS | Below a limit; numeric threshold unavailable ng/L | 2024-09-16 | Mount Vernon Water Works / Indiana IDEM PFAS study — Phase 4 resampling |
State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.
Download state records with source notes (CSV)
Published compliance history
31 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
| Rule / record | Period | Recorded status | Health-based (EPA classification) | Source quarter |
|---|---|---|---|---|
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2026-01-01 – 2026-03-31 | Resolved | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2026-01-01 – 2026-03-31 | Resolved | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2025-08-01 – 2025-08-31 | Resolved | No | 2026Q3 |
| Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report | 2023-07-01 – — | Resolved | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2022-09-01 – 2022-09-30 | Resolved | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Minor (TCR) | 1991-12-01 – 1991-12-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Minor (TCR) | 1991-02-01 – 1991-02-28 | Archived | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 1981-10-01 – 1982-09-30 | Archived | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 1981-10-01 – 1982-09-30 | Archived | No | 2026Q3 |
| Arsenic Rule / Monitoring, Regular | 1981-10-01 – 1982-09-30 | Archived | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 1981-10-01 – 1982-09-30 | Archived | No | 2026Q3 |
| Nitrate Rule / Monitoring, Regular | 1981-10-01 – 1982-09-30 | Archived | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 1981-10-01 – 1982-09-30 | Archived | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 1981-10-01 – 1982-09-30 | Archived | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 1981-10-01 – 1982-09-30 | Archived | No | 2026Q3 |
| Arsenic Rule / Monitoring, Regular | 1980-10-01 – 1981-09-30 | Archived | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 1980-10-01 – 1981-09-30 | Archived | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 1980-10-01 – 1981-09-30 | Archived | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 1980-10-01 – 1981-09-30 | Archived | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 1980-10-01 – 1981-09-30 | Archived | No | 2026Q3 |
Source dates and refresh checks
A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.
- EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
- EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
- EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
- Indiana IDEM PFAS study — Phase 1 resampling — last successful check: 2026-10-11
- Indiana IDEM PFAS study — Phase 4 — last successful check: 2026-10-14
- Indiana IDEM PFAS study — Phase 4 resampling — last successful check: 2026-10-15
Administrative contact (EPA filing)
Gray, Charles: 812-838-2136
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.