Public water system record
Aibonito Urbano
Serves an area of Aibonito Municipio, PR that includes Aibonito and Pastos · 5,524 people served
Federal records show 3 health-based violations and 55 monitoring/reporting issues for Aibonito Urbano in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 3
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 55
Key facts
- Aibonito Urbano draws water from 2 wells and 1 surface water intake.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit), 2020.
- Most recent formal enforcement: civil case filed in court by Puerto Rico, April 2017.
- Record on file since 2008, with 9 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 908 unknown out of 2,359 service lines.
Check whether Aibonito Urbano serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Apr 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jan 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jan 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2025 | Resolved |
|
Nitrate
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Nitrate
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Styrene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Toluene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Benzene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Cryptosporidium
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Turbidity
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
E. coli
Monitoring and reporting
|
May 1, 2017 | Resolved |
|
Cryptosporidium
Monitoring and reporting
|
May 1, 2017 | Resolved |
|
Turbidity
Monitoring and reporting
|
May 1, 2017 | Resolved |
|
E. coli
Monitoring and reporting
|
Feb 1, 2017 | Resolved |
|
Cryptosporidium
Monitoring and reporting
|
Feb 1, 2017 | Resolved |
|
Turbidity
Monitoring and reporting
|
Feb 1, 2017 | Resolved |
|
E. coli
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Cryptosporidium
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Turbidity
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2013 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2012 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2011 | Resolved |
Full record since 2008
EPA's records for Aibonito Urbano go back to 2008. Before October 19, 2016 they list 9 health-based violations (9 resolved) and 86 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 16 |
| 2010 to October 18, 2016 | 9 | 70 |
| October 19, 2016 to 2019 | 1 | 14 |
| 2020s | 2 | 36 |
Most recent health-based violation before October 19, 2016: CARBON, TOTAL, began July 2014, Resolved.
Show all 9 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2014 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2014 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2014 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2011 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2010 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2010 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2010 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2010 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.062 mg/L, federal limit 0.06 mg/L (at or just above the limit)
|
Jan 1, 2010 | Resolved |
Enforcement actions
Puerto Rico regulators took 3 formal enforcement actions against Aibonito Urbano between 2008 and 2017. The most recent was a civil case filed in court in April 2017.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 25, 2017 | Puerto Rico | Civil case filed in court | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Jan 28, 2011 | Puerto Rico | Civil case filed in court | 2 violations (2 health-based): Haloacetic Acids (HAA5), CARBON, TOTAL |
| Jun 24, 2008 | Puerto Rico | Civil case filed in court | 4 violations (4 health-based): CARBON, TOTAL |
What the violations mean
Total Trihalomethanes (TTHMs)
3 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Aibonito Urbano draws water from 2 wells and 1 surface water intake.
Annual water quality report
Aibonito Urbano must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Puerto Rico.
Certified drinking water labs by state EPA guidance for private wells