PlainWater

MONTE DEL ESTADO

PWS ID: PR0003523 · MARICAO, Puerto Rico 00606

MONTE DEL ESTADO serves 708 people in MARICAO, Puerto Rico using Surface Water water sources. It has 205 recorded EPA violations, including 26 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MONTE DEL ESTADO

MONTE DEL ESTADO is a local-owned community water system that delivers drinking water to 708 residents in MARICAO, Puerto Rico (Maricao Municipio County) through 265 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 205 total violations for this system , of which 26 (13%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 156 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is TTHM, recorded in 11 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Puerto Rico, EPA tracks 458 public water systems serving 3,328,141 people, with 164,144 cumulative violations and 34,657 health-based violations on record. About 100% of systems in the state carry at least one violation, and state-wide the average per system is 358.4 violations. MONTE DEL ESTADO's 205 violations sit below the Puerto Rico average. Statewide, 40 of 99 UCMR5-tested systems have reported PFAS detections (40.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
708
Total Violations
205
Health-Based Violations
26
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
265
County
Maricao Municipio
School/Daycare
No
MCL Violations
19
Monitoring Violations
156
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 11 2008
Cryptosporidium MR 9 2011
Surface Water Treatment Rule TT 7 2004
Total Haloacetic Acids (HAA5) MCL 6 2008
Consumer Confidence Rule Other 6 2022
Nitrate MR 5 2018
Endrin MR 4 2021
BHC-GAMMA MR 4 2021
Diquat MR 4 2021
Endothall MR 4 2021
Di(2-ethylhexyl) adipate MR 4 2021
Simazine MR 4 2021
Picloram MR 4 2021
Carbofuran MR 4 2021
2,4-D MR 4 2021
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2021
Chlordane MR 4 2021
Lead and Copper Rule MR 4 2016
Methoxychlor MR 4 2021
Toxaphene MR 4 2021
Dalapon MR 4 2021
Hexachlorocyclopentadiene MR 4 2021
Atrazine MR 4 2021
Heptachlor MR 4 2021
Heptachlor epoxide MR 4 2021
2,4,5-TP MR 4 2021
ETHYLENE DIBROMIDE MR 4 2021
Glyphosate MR 4 2021
Pentachlorophenol MR 4 2021
Di(2-ethylhexyl) phthalate MR 4 2021

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for MONTE DEL ESTADO.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID PR0003523 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Puerto Rico Drinking Water Authority

Puerto Rico's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find PR regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2022 Consumer Confidence Rule Other 6 SDWIS / PR0003523 / 7000
2021 Endrin MR 4 SDWIS / PR0003523 / 2005
2021 BHC-GAMMA MR 4 SDWIS / PR0003523 / 2010
2021 Diquat MR 4 SDWIS / PR0003523 / 2032
2021 Endothall MR 4 SDWIS / PR0003523 / 2033
2021 Di(2-ethylhexyl) adipate MR 4 SDWIS / PR0003523 / 2035
2021 Simazine MR 4 SDWIS / PR0003523 / 2037
2021 Picloram MR 4 SDWIS / PR0003523 / 2040
2021 Carbofuran MR 4 SDWIS / PR0003523 / 2046
2021 2,4-D MR 4 SDWIS / PR0003523 / 2105
2021 1,2-DIBROMO-3-CHLOROPROPANE MR 4 SDWIS / PR0003523 / 2931
2021 Chlordane MR 4 SDWIS / PR0003523 / 2959
2021 Methoxychlor MR 4 SDWIS / PR0003523 / 2015
2021 Toxaphene MR 4 SDWIS / PR0003523 / 2020
2021 Dalapon MR 4 SDWIS / PR0003523 / 2031

How MONTE DEL ESTADO Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric MONTE DEL ESTADO Puerto Rico avg Federal benchmark
Total violations 205 358.4 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 26 75.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 40.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 708 7,267 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 458 regulated public water systems in Puerto Rico.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is MONTE DEL ESTADO water safe to drink?
MONTE DEL ESTADO (PWS ID: PR0003523) has 205 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 708 people using Surface Water sources.
How many people does MONTE DEL ESTADO serve?
MONTE DEL ESTADO serves 708 people in MARICAO, Puerto Rico. It is a Local-owned system using Surface Water water sources with 265 service connections.
What type of violations does MONTE DEL ESTADO have?
MONTE DEL ESTADO has 205 total violations: 26 health-based violations (MCL exceedances or treatment failures), 156 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MONTE DEL ESTADO water?
No PFAS testing data is available for MONTE DEL ESTADO under the EPA's UCMR5 monitoring program.
What water source does MONTE DEL ESTADO use?
MONTE DEL ESTADO uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial