RALLS COUNTY PWSD 1
PWSID: MO2024499 · Hannibal, MO · Serves 7,662 people
According to EPA Safe Drinking Water Information System (SDWIS), RALLS COUNTY PWSD 1 (PWSID MO2024499) in Hannibal, MO is listed as a CWS water system covering about 7,662 people. The same extract lists 28 health-based violation records spanning 2017-2023. Those 28 health-based rows for RALLS COUNTY PWSD 1 cover contaminants such as TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.
RALLS COUNTY PWSD 1 has 28 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. 1 distinct EPA contaminant code appears in this system's record, including TTHM. Recorded violations span 2017–2023. 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)
- MO2024499
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Hannibal, MO
- Population Served
- 7,662
- Health Violations
- Yes (28)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 28 | 28 |
Violation History (28)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Jan 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
Frequently Asked Questions
What does EPA SDWIS list for RALLS COUNTY PWSD 1?
How many people does RALLS COUNTY PWSD 1 serve?
What violations does RALLS COUNTY PWSD 1 have?
What contaminants have been found in RALLS COUNTY PWSD 1 water?
Compare beyond Missouri
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest RALLS COUNTY PWSD 1 on cumulative violation count (28) and EPA-reported population served (7,662). Violation-count peers include LAKE CHICOT WATER SUPPLY ASSOCIATION, TONTITOWN WATERWORKS, HOLTVILLE, CITY OF. Population peers include CENTRAL WELD CNTY WD, WELLINGTON, CITY OF, NORTH CHELMSFORD WATER DIST.
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
RALLS COUNTY PWSD 1 (MO2024499) is drawn from EPA SDWIS. Nearby county systems in this extract include HANNIBAL PWS; MARION COUNTY PWSD 1; PALMYRA PWS; MONROE CITY PWS. Health-based rows (28 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.