Public water system record
Aibonito La Plata
On record as serving Aibonito, Aibonito Municipio, PR · Serves 16,202 people
Federal records show 2 health-based violations and 93 monitoring/reporting issues for Aibonito La Plata in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
Source water
Surface water
ZIP
00653
EPA system ID
PR0004545
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 93
Key facts
- Aibonito La Plata draws water from 11 wells and 1 surface water intake (7 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.081 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, January 2015.
- Record on file since 1980, with 96 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 2,931 unknown out of 7,250 service lines.
Check whether Aibonito La Plata 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 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jan 1, 2020 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Nov 1, 2016 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Chlordane
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
LASSO
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Picloram
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Simazine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Endothall
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Diquat
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Endrin
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
LASSO
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Picloram
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Simazine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Endothall
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Diquat
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Endrin
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2024 | 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 |
|
Cryptosporidium
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
Turbidity
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Cryptosporidium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Turbidity
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2017 | 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 1980
EPA's records for Aibonito La Plata go back to 1980. Before October 19, 2016 they list 96 health-based violations (38 resolved, 58 archived by EPA without a recorded fix) and 336 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 10 |
| 1990s | 26 | 157 |
| 2000s | 47 | 155 |
| 2010 to October 18, 2016 | 23 | 14 |
| October 19, 2016 to 2019 | 1 | 28 |
| 2020s | 1 | 61 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began July 2016, Resolved.
Show all 96 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.104 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Jul 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.109 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
Apr 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.124 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
|
Jan 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.124 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
|
Oct 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2015 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.108 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
Jul 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.106 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Apr 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
Jan 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Oct 1, 2014 | Resolved |
|
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
|
Oct 1, 2013 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2013 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Jul 1, 2013 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2013 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2013 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Oct 1, 2012 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2012 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2011 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2011 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2011 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2009 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2008 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2008 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2007 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2007 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2007 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2007 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2006 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2006 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Dec 1, 2005 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Nov 1, 2005 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2005 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Oct 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2005 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 2005 | Archived |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2005 | Archived |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jul 1, 2005 | Archived |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
May 1, 2005 | Archived |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Feb 1, 2005 | Archived |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jan 1, 2005 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Nov 1, 2004 | Archived |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Nov 1, 2004 | Archived |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Oct 1, 2004 | Archived |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jul 1, 2004 | Archived |
46 older violations are not listed here. EPA ECHO has the complete list.
Enforcement actions
Puerto Rico regulators took 9 formal enforcement actions against Aibonito La Plata between 1994 and 2015, filed as 12 records in EPA's data. The most recent was a civil case filed in court in January 2015.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 27, 2015 | Puerto Rico | Civil case filed in court | 8 violations (8 health-based): Total Trihalomethanes (TTHMs) |
| Oct 21, 2013 | Puerto Rico | Civil case filed in court | 6 violations (6 health-based): CARBON, TOTAL |
| Jun 24, 2008 | Puerto Rico | Civil case filed in court | 5 violations (5 health-based): CARBON, TOTAL |
| Feb 6, 2007 | Puerto Rico | Compliance order (no penalty) | 5 violations (5 health-based): CARBON, TOTAL |
| Feb 5, 2007 | Puerto Rico | Compliance order (no penalty) | 10 violations (10 health-based): CARBON, TOTAL |
| Sep 27, 1999 | Puerto Rico | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Aug 22, 1994 | Puerto Rico | Compliance order (no penalty) | 2 violations: Total Coliform |
| Jun 3, 1994 | Puerto Rico | Compliance order (no penalty) | 1 violation: Surface Water Treatment Rule |
| Mar 4, 1994 | Puerto Rico | Compliance order (no penalty) | 7 violations (7 health-based): Surface Water Treatment Rule |
What the violations mean
Total Trihalomethanes (TTHMs)
1 incidentDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Interim Enhanced Surface Water Treatment Rule
1 incidentThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Where the water comes from
Aibonito La Plata draws water from 11 wells and 1 surface water intake (7 of them for emergency, seasonal or other part-time use).
Annual water quality report
Aibonito La Plata 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.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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