Oregon County, Missouri Water Systems
Oregon County, Missouri
5 community water systems on record — 5 active, 0 inactive.
Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.
Community water systems in Oregon County, Missouri
- ALTON PWSALTON · 1,000 servedActive
- KOSHKONONG PWSKOSHKONONG · 212 servedActive
- OREGON COUNTY PWSD 1ALTON · 900 servedActive
- OREGON COUNTY PWSD 2MYRTLE · 120 servedActive
- THAYER PWSTHAYER · 2,200 servedActive
| System name | City | Population served | Status |
|---|---|---|---|
| ALTON PWS | ALTON | 1,000 | Active |
| KOSHKONONG PWS | KOSHKONONG | 212 | Active |
| OREGON COUNTY PWSD 1 | ALTON | 900 | Active |
| OREGON COUNTY PWSD 2 | MYRTLE | 120 | Active |
| THAYER PWS | THAYER | 2,200 | Active |