CS RANCHEROS BONITOS WATER COMPANY
PWSID: AZ0414073 · Des Peres, MO · Serves 120 people
According to EPA Safe Drinking Water Information System (SDWIS), CS RANCHEROS BONITOS WATER COMPANY (PWSID AZ0414073) in Des Peres, MO is listed as a CWS water system covering about 120 people. The same extract lists 45 health-based violation records spanning 2017-2025. Those 45 health-based rows for CS RANCHEROS BONITOS WATER COMPANY cover contaminants such as Combined Uranium, Groundwater Rule, Lead and Copper Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
CS RANCHEROS BONITOS WATER COMPANY has 45 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 4 distinct EPA contaminant codes appear in this system's record, including Combined Uranium, Groundwater Rule, Lead and Copper Rule. Recorded violations span 2017–2025. Day-to-day primacy enforcement for this system runs through the Missouri drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Missouri state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- AZ0414073
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Des Peres, MO
- Population Served
- 120
- Health Violations
- Yes (45)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Combined Uranium | 36 | 36 |
| Groundwater Rule | 4 | 4 |
| Lead and Copper Rule | 3 | 3 |
| Revised Total Coliform Rule | 2 | 2 |
Violation History (45)
| Contaminant | Health | Date |
|---|---|---|
| Combined Uranium | Yes | Jul 1, 2025 |
| Combined Uranium | Yes | Apr 1, 2025 |
| Combined Uranium | Yes | Apr 1, 2025 |
| Combined Uranium | Yes | Jan 1, 2025 |
| Combined Uranium | Yes | Jul 1, 2024 |
| Combined Uranium | Yes | Jul 1, 2024 |
| Combined Uranium | Yes | Jul 1, 2024 |
| Combined Uranium | Yes | Apr 1, 2024 |
| Combined Uranium | Yes | Apr 1, 2024 |
| Combined Uranium | Yes | Apr 1, 2024 |
| Combined Uranium | Yes | Jan 1, 2024 |
| Combined Uranium | Yes | Jan 1, 2024 |
| Combined Uranium | Yes | Jan 1, 2024 |
| Combined Uranium | Yes | Oct 1, 2023 |
| Combined Uranium | Yes | Oct 1, 2023 |
| Combined Uranium | Yes | Oct 1, 2023 |
| Combined Uranium | Yes | Jul 1, 2023 |
| Combined Uranium | Yes | Jul 1, 2023 |
| Combined Uranium | Yes | Jul 1, 2023 |
| Combined Uranium | Yes | Apr 1, 2023 |
| Combined Uranium | Yes | Apr 1, 2023 |
| Combined Uranium | Yes | Apr 1, 2023 |
| Combined Uranium | Yes | Jan 1, 2023 |
| Combined Uranium | Yes | Jan 1, 2023 |
| Combined Uranium | Yes | Jan 1, 2023 |
| Combined Uranium | Yes | Oct 1, 2022 |
| Combined Uranium | Yes | Oct 1, 2022 |
| Combined Uranium | Yes | Oct 1, 2022 |
| Combined Uranium | Yes | Jul 1, 2022 |
| Combined Uranium | Yes | Jul 1, 2022 |
| Combined Uranium | Yes | Jul 1, 2022 |
| Groundwater Rule | Yes | Jun 4, 2022 |
| Groundwater Rule | Yes | Jun 4, 2022 |
| Combined Uranium | Yes | Apr 1, 2022 |
| Combined Uranium | Yes | Apr 1, 2022 |
| Combined Uranium | Yes | Apr 1, 2022 |
| Groundwater Rule | Yes | Mar 6, 2022 |
| Groundwater Rule | Yes | Mar 6, 2022 |
| Combined Uranium | Yes | Jan 1, 2022 |
| Combined Uranium | Yes | Jan 1, 2022 |
| Revised Total Coliform Rule | Yes | Apr 1, 2021 |
| Revised Total Coliform Rule | Yes | Apr 1, 2021 |
| Lead and Copper Rule | Yes | Apr 1, 2018 |
| Lead and Copper Rule | Yes | Dec 1, 2017 |
| Lead and Copper Rule | Yes | Dec 1, 2017 |
Frequently Asked Questions
What does EPA SDWIS list for CS RANCHEROS BONITOS WATER COMPANY?
How many people does CS RANCHEROS BONITOS WATER COMPANY serve?
What violations does CS RANCHEROS BONITOS WATER COMPANY have?
What contaminants have been found in CS RANCHEROS BONITOS WATER COMPANY water?
Compare beyond Missouri
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CS RANCHEROS BONITOS WATER COMPANY on cumulative violation count (45) and EPA-reported population served (120). Violation-count peers include Pala North, MAKAH NEAH BAY, EPCOR - LAKESIDE.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
CS RANCHEROS BONITOS WATER COMPANY (AZ0414073) is drawn from EPA SDWIS. Nearby county systems in this extract include MO AMERICAN ST LOUIS ST CHARLES COUNTIES; KIRKWOOD PWS; JEFFERSON COUNTY PWSD 2; MO AMERICAN MEXICO. Health-based rows (45 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.