CS MOHAWK UTILITY COMPANY
PWSID: AZ0414030 · Des Peres, MO · Serves 243 people
CS MOHAWK UTILITY COMPANY has 21 health-based violations out of 21 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
CS MOHAWK UTILITY COMPANY (PWSID AZ0414030) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 243 people in Des Peres, MO, and is subject to primacy enforcement by the Missouri drinking-water program.
The system's federal compliance record contains 21 total violations, with 21 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Turbidity, E. coli. Recorded violations span 2015–2025.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time 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)
- AZ0414030
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Des Peres, MO
- Population Served
- 243
- Health Violations
- Yes (21)
What contaminants are in this water system?
Violation History (21)
| Contaminant | Health | Date |
|---|---|---|
| Turbidity | Yes | Sep 1, 2025 |
| Turbidity | Yes | Sep 1, 2025 |
| Turbidity | Yes | Sep 1, 2024 |
| Turbidity | Yes | Sep 1, 2024 |
| Turbidity | Yes | Sep 1, 2024 |
| Turbidity | Yes | Aug 1, 2024 |
| Turbidity | Yes | Aug 1, 2024 |
| Turbidity | Yes | Aug 1, 2024 |
| E. coli | Yes | Jul 1, 2024 |
| E. coli | Yes | Jul 1, 2024 |
| E. coli | Yes | Aug 1, 2018 |
| Turbidity | Yes | Apr 1, 2016 |
| Turbidity | Yes | Mar 1, 2016 |
| Turbidity | Yes | Feb 1, 2016 |
| Turbidity | Yes | Jan 1, 2016 |
| Turbidity | Yes | Dec 1, 2015 |
| Turbidity | Yes | Nov 1, 2015 |
| Turbidity | Yes | Oct 1, 2015 |
| Turbidity | Yes | Sep 1, 2015 |
| Turbidity | Yes | Aug 1, 2015 |
| Turbidity | Yes | Aug 1, 2015 |
Frequently Asked Questions
Is CS MOHAWK UTILITY COMPANY water safe to drink?
How many people does CS MOHAWK UTILITY COMPANY serve?
What violations does CS MOHAWK UTILITY COMPANY have?
What contaminants have been found in CS MOHAWK UTILITY COMPANY water?
Nearby Water Systems
Explore More
About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.