MAPLETON WATER DISTRICT
PWSID: OR4100507 · Mapleton, OR · Serves 600 people
According to EPA Safe Drinking Water Information System (SDWIS), MAPLETON WATER DISTRICT (PWSID OR4100507) in Mapleton, OR is listed as a CWS water system covering about 600 people. The same extract lists 11 health-based violation records spanning 1994-2024. Those 11 health-based rows for MAPLETON WATER DISTRICT cover contaminants such as Surface Water Treatment Rule, Lead and Copper Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
MAPLETON WATER DISTRICT has 11 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 Surface Water Treatment Rule, Lead and Copper Rule. Recorded violations span 1994–2024. 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)
- OR4100507
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Mapleton, OR
- Population Served
- 600
- Health Violations
- Yes (11)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Surface Water Treatment Rule | 9 | 9 |
| Lead and Copper Rule | 2 | 2 |
Violation History (11)
| Contaminant | Health | Date |
|---|---|---|
| Surface Water Treatment Rule | Yes | May 1, 2024 |
| Surface Water Treatment Rule | Yes | May 1, 2024 |
| Surface Water Treatment Rule | Yes | May 1, 2024 |
| Surface Water Treatment Rule | Yes | May 1, 2024 |
| Surface Water Treatment Rule | Yes | May 1, 2024 |
| Surface Water Treatment Rule | Yes | May 1, 2024 |
| Surface Water Treatment Rule | Yes | Apr 1, 2024 |
| Surface Water Treatment Rule | Yes | Apr 1, 2024 |
| Surface Water Treatment Rule | Yes | Apr 1, 2024 |
| Lead and Copper Rule | Yes | Jul 1, 1995 |
| Lead and Copper Rule | Yes | Jan 1, 1994 |
Frequently Asked Questions
What does EPA SDWIS list for MAPLETON WATER DISTRICT?
How many people does MAPLETON WATER DISTRICT serve?
What violations does MAPLETON WATER DISTRICT have?
What contaminants have been found in MAPLETON WATER DISTRICT water?
Compare beyond Oregon
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MAPLETON WATER DISTRICT on cumulative violation count (11) and EPA-reported population served (600). Violation-count peers include MICCOSUKEE TRIBE OF INDIANS, Arizona Village, WHITE SWAN. Population peers include Big Pine Paiute Band, Lytton Rancheria Water System, GOLDEN NUGGET RV PARK, MALASPINA MHP.
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
MAPLETON WATER DISTRICT (OR4100507) is drawn from EPA SDWIS. Nearby county systems in this extract include EUGENE WATER & ELECTRIC BOARD; SPRINGFIELD UTILITY BOARD; COTTAGE GROVE, CITY OF; FLORENCE, CITY OF. Health-based rows (11 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.