LAS MARIAS
PWSID: PR0003363 · Las Marias, PR · Serves 7,193 people
According to EPA Safe Drinking Water Information System (SDWIS), LAS MARIAS (PWSID PR0003363) in Las Marias, PR is listed as a CWS water system covering about 7,193 people. The same extract lists 10 health-based violation records spanning 2016-2023. Those 10 health-based rows for LAS MARIAS cover contaminants such as TTHM, Interim Enhanced Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
LAS MARIAS has 10 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, Interim Enhanced Surface Water Treatment Rule. Recorded violations span 2016–2023. Day-to-day primacy enforcement for this system runs through the Puerto Rico 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 Puerto Rico state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- PR0003363
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Las Marias, PR
- Population Served
- 7,193
- Health Violations
- Yes (10)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 6 | 6 |
| Interim Enhanced Surface Water Treatment Rule | 4 | 4 |
Violation History (10)
| Contaminant | Health | Date |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | Yes | May 1, 2023 |
| Interim Enhanced Surface Water Treatment Rule | Yes | May 1, 2023 |
| Interim Enhanced Surface Water Treatment Rule | Yes | May 1, 2023 |
| Interim Enhanced Surface Water Treatment Rule | Yes | May 1, 2023 |
| TTHM | Yes | Jul 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| TTHM | Yes | Apr 1, 2016 |
| TTHM | Yes | Apr 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
Frequently Asked Questions
What does EPA SDWIS list for LAS MARIAS?
How many people does LAS MARIAS serve?
What violations does LAS MARIAS have?
What contaminants have been found in LAS MARIAS water?
Compare beyond Puerto Rico
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest LAS MARIAS on cumulative violation count (10) and EPA-reported population served (7,193). Violation-count peers include ETHETE WATER SYSTEM, Quechan Utility, Grand Canyon West. Population peers include INVERNESS WATER DEPT, CITY OF WINNFIELD WATER SYSTEM, STOCKBRIDGE.
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
LAS MARIAS (PR0003363) is drawn from EPA SDWIS. Nearby county systems in this extract include SECTOR LAGUNA. Health-based rows (10 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.