Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| MCL | Health-based | Resolved | 2013-09-01 → 2013-09-30 |
| MCL | Health-based | Resolved | 2013-09-01 → 2013-09-30 |
| MCL | Health-based | Resolved | 2013-09-01 → 2013-09-30 |
| MCL | Health-based | Resolved | 2013-09-01 → 2013-09-30 |
| RPT | Monitoring | Unaddressed | 2026-01-01 |
| RPT | Monitoring | Unaddressed | 2026-01-01 |
| MR | Monitoring | Resolved | 2024-10-01 |
| Other | Monitoring | Resolved | 2020-07-01 |
| Other | Monitoring | Resolved | 2013-07-01 |
| Other | Monitoring | Resolved | 2012-07-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate-Nitrite | 45 µg/L 0.5% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Lead | 0.0072 mg/L 48% of the EPA limit 0.0150 mg/L | 9/9 | LCR | 2024 |
| Copper | 200.1 µg/L 15% of the EPA limit 1300 µg/L
worst single sample: 247 µg/L | 8/8 | SYR4 | 2012–2018 |
| Lead | 3.5 µg/L 23% of the EPA limit 15 µg/L
worst single sample: 3.92 µg/L | 4/8 | SYR4 | 2012–2018 |
| Barium | 598.9 µg/L 30% of the EPA limit 2000 µg/L
worst single sample: 610 µg/L | 3/3 | SYR4 | 2012–2018 |
58 contaminants tested, none detected
Utility contact
Frequently asked questions about Serenity Bay Subd
Is Serenity Bay Subd tap water safe to drink?
EPA monitoring detected 5 contaminants in Serenity Bay Subd's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Serenity Bay Subd's water?
EPA monitoring detected Nitrate-Nitrite, Lead, Copper, Lead, Barium. The full list with the level and data source for each is above.
How many people does Serenity Bay Subd serve?
Serenity Bay Subd reports serving 65 people in Missouri, per its EPA record.
Has Serenity Bay Subd had any water quality violations?
The EPA has 12 violations on file for Serenity Bay Subd, of which 4 are health-based (a contaminant limit or required treatment was breached) and 2 remain open. The rest are monitoring or reporting failures.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.