ARROW ROCK PWS
PWSID: MO2010029 · Arrow Rock, MO · Serves 235 people
According to EPA Safe Drinking Water Information System (SDWIS), ARROW ROCK PWS (PWSID MO2010029) in Arrow Rock, MO is listed as a CWS water system covering about 235 people. The same extract lists 29 health-based violation records spanning 2017-2025. Those 29 health-based rows for ARROW ROCK PWS cover contaminants such as TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.
ARROW ROCK PWS has 29 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 2017–2025. 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)
- MO2010029
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Arrow Rock, MO
- Population Served
- 235
- Health Violations
- Yes (29)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 29 | 29 |
Violation History (29)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Oct 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
Frequently Asked Questions
What does EPA SDWIS list for ARROW ROCK PWS?
How many people does ARROW ROCK PWS serve?
What violations does ARROW ROCK PWS have?
What contaminants have been found in ARROW ROCK PWS water?
Compare beyond Missouri
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest ARROW ROCK PWS on cumulative violation count (29) and EPA-reported population served (235). Violation-count peers include Tule River Reservation Main, EAST LOGAN CO RURAL WATER, BIG PARK WATER COMPANY.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
ARROW ROCK PWS (MO2010029) is drawn from EPA SDWIS. Nearby county systems in this extract include MARSHALL PWS; SALINE COUNTY PWSD 3; SLATER PWS; SWEET SPRINGS PWS. Health-based rows (29 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.