LAKE THUNDERHEAD
PWSID: MO2036165 · Unionville, MO · Serves 585 people
According to EPA Safe Drinking Water Information System (SDWIS), LAKE THUNDERHEAD (PWSID MO2036165) in Unionville, MO is listed as a CWS water system covering about 585 people. The same extract lists 10 health-based violation records spanning 2015-2016. Those 10 health-based rows for LAKE THUNDERHEAD cover contaminants such as TTHM, Total Haloacetic Acids (HAA5); they remain historical EPA registry entries, not a current compliance or drinkability score.
LAKE THUNDERHEAD has 10 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. 2 distinct EPA contaminant codes appear in this system's record, including TTHM, Total Haloacetic Acids (HAA5). Recorded violations span 2015–2016. 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)
- MO2036165
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Unionville, MO
- Population Served
- 585
- Health Violations
- Yes (10)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 5 | 5 |
| Total Haloacetic Acids (HAA5) | 5 | 5 |
Violation History (10)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jul 1, 2016 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2016 |
| TTHM | Yes | Apr 1, 2016 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2016 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2015 |
| TTHM | Yes | Oct 1, 2015 |
| TTHM | Yes | Jul 1, 2015 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2015 |
Frequently Asked Questions
What does EPA SDWIS list for LAKE THUNDERHEAD?
How many people does LAKE THUNDERHEAD serve?
What violations does LAKE THUNDERHEAD have?
What contaminants have been found in LAKE THUNDERHEAD water?
Compare beyond Missouri
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest LAKE THUNDERHEAD on cumulative violation count (10) and EPA-reported population served (585). Violation-count peers include ETHETE WATER SYSTEM, Quechan Utility, Grand Canyon West. Population peers include EDWARDSVILLE WATER & FIRE PRO AUTHORITY, CSP-PFEIFFER BIG SUR, NATURITA TOWN OF.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
LAKE THUNDERHEAD (MO2036165) is drawn from EPA SDWIS. Nearby county systems in this extract include PUTNAM COUNTY PWSD 1; UNIONVILLE PWS. Health-based rows (10 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.