UNIONVILLE PWS
PWSID: MO2010804 · Unionville, MO · Serves 1,735 people
According to EPA Safe Drinking Water Information System (SDWIS), UNIONVILLE PWS (PWSID MO2010804) in Unionville, MO is listed as a CWS water system covering about 1,735 people. The same extract lists 6 health-based violation records spanning 2015-2021. Those 6 health-based rows for UNIONVILLE PWS cover contaminants such as Interim Enhanced Surface Water Treatment Rule, Total Haloacetic Acids (HAA5), TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.
UNIONVILLE PWS has 6 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. 3 distinct EPA contaminant codes appear in this system's record, including Interim Enhanced Surface Water Treatment Rule, Total Haloacetic Acids (HAA5), TTHM. Recorded violations span 2015–2021. 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)
- MO2010804
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Unionville, MO
- Population Served
- 1,735
- Health Violations
- Yes (6)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | 3 | 3 |
| Total Haloacetic Acids (HAA5) | 2 | 2 |
| TTHM | 1 | 1 |
Violation History (6)
| Contaminant | Health | Date |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | Yes | Jul 1, 2021 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Jul 1, 2021 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Jul 1, 2021 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2016 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2015 |
| TTHM | Yes | Oct 1, 2015 |
Frequently Asked Questions
What does EPA SDWIS list for UNIONVILLE PWS?
How many people does UNIONVILLE PWS serve?
What violations does UNIONVILLE PWS have?
What contaminants have been found in UNIONVILLE PWS water?
Compare beyond Missouri
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest UNIONVILLE PWS on cumulative violation count (6) and EPA-reported population served (1,735). Violation-count peers include CHEROKEE WATER SYSTEM, LAME DEER WATER SYSTEM, FOUR BEARS WATER SYSTEM. Population peers include CORNING MUNI WATER DEPARTMENT, KENTLAND WATER WORKS, CAMDEN COUNTY PWSD # 5.
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
Explore More
About This Data
UNIONVILLE PWS (MO2010804) is drawn from EPA SDWIS. Nearby county systems in this extract include PUTNAM COUNTY PWSD 1; LAKE THUNDERHEAD. Health-based rows (6 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.