MONROE, CITY OF
PWSID: OR4100540 · Harrisburg, OR · Serves 723 people
According to EPA Safe Drinking Water Information System (SDWIS), MONROE, CITY OF (PWSID OR4100540) in Harrisburg, OR is listed as a CWS water system covering about 723 people. The same extract lists 103 health-based violation records spanning 2019-2025. Those 103 health-based rows for MONROE, CITY OF cover contaminants such as TTHM, Total Haloacetic Acids (HAA5); they remain historical EPA registry entries, not a current compliance or drinkability score.
MONROE, CITY OF has 103 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 2019–2025. Day-to-day primacy enforcement for this system runs through the Oregon 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 Oregon state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- OR4100540
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Harrisburg, OR
- Population Served
- 723
- Health Violations
- Yes (103)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 74 | 74 |
| Total Haloacetic Acids (HAA5) | 29 | 29 |
Violation History (103)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Oct 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | 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 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| Total Haloacetic Acids (HAA5) | 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 | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2021 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2021 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2021 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2021 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2021 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2021 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2021 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Jan 1, 2021 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Oct 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
Frequently Asked Questions
What does EPA SDWIS list for MONROE, CITY OF?
How many people does MONROE, CITY OF serve?
What violations does MONROE, CITY OF have?
What contaminants have been found in MONROE, CITY OF water?
Compare beyond Oregon
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MONROE, CITY OF on cumulative violation count (103) and EPA-reported population served (723). Violation-count peers include CITY OF JACKSON, RIVERDALE PUBLIC UTILITY DISTRICT, HOLUM WATER SYSTEM. Population peers include KENNEDY WATER WORKS BOARD, FOXBOW FARMS, MORO PWD.
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
MONROE, CITY OF (OR4100540) is drawn from EPA SDWIS. Nearby county systems in this extract include ALBANY, CITY OF; LEBANON, CITY OF; SWEET HOME, CITY OF; SISTERS, CITY OF. Health-based rows (103 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.