Clean Water Act
RCRA
PRASA LAS MARIAS WWTP
Quick Summary
- •Assessed $0 in total penalties since records began.
- Address
-
STATE ROAD NO 119, KM 27.4
LAS MARIAS, PR 00670
View on map ↗ - County
- LAS MARIAS County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 22132
- Inspections
- 3 · last Jul 2, 2025
- Total Penalties
- $0 · last Jan 10, 2007
- Registry ID
- 110009815398
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Dec 22, 2025 | — | Open |
| cwa | Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | Sep 29, 2025 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2017 | Feb 1, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2016 | Feb 1, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2015 | Feb 1, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | May 1, 2014 | Feb 1, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2014 | Feb 1, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2014 | Feb 1, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | Nov 1, 2013 | Feb 1, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2013 | Feb 1, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 1, 2013 | Feb 1, 2019 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | May 22, 1983 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jun 16, 1982 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 19, 1982 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Feb 12, 1982 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Sep 9, 1981 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jul 23, 1981 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 5, 1980 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +27% | Dec 2025 | Resolved |
| Cadmium, total [as Cd] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +1,150% | Oct 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 21.00 mg/L | 14.00 | +50% | Sep 2025 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +19% | May 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 26.00 kg/d | 13.24 | +96% | Sep 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 185.00 mg/L | 45.00 | +311% | Sep 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 94.00 mg/L | 14.00 | +571% | Sep 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 51.00 kg/d | 42.57 | +20% | Sep 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 64.00 % | 85.00 | +140% | Sep 2023 | Open |
| Surfactants [MBAS] | DMR, Limited - Numeric Violation | 0.16 mg/L | 0.11 | +44% | Dec 2021 | Resolved |
| Surfactants [MBAS] | DMR, Limited - Numeric Violation | 0.12 mg/L | 0.11 | +10% | Sep 2019 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 15.00 mg/L | 14.00 | +7% | May 2019 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.01 | +445% | Mar 2019 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.19 mg/L | 0.01 | +1,627% | Feb 2019 | Resolved |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 28.30 mg/L | 21.20 | +33% | Jan 2019 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 96.00 % | 85.00 | +73% | Jan 2019 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 23.10 mg/L | 21.20 | +9% | Dec 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 97.00 % | 85.00 | +80% | Dec 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 97.00 % | 85.00 | +80% | Nov 2018 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 24.00 mg/L | 21.20 | +13% | Nov 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Overdue | 97.00 % | 85.00 | +80% | Oct 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 97.00 % | 85.00 | +80% | Oct 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Overdue | 96.00 % | 85.00 | +73% | Sep 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 96.00 % | 85.00 | +73% | Sep 2018 | Open |
| Coliform, fecal - % samples exceeding limit | DMR, Limited - Numeric Violation | 50.00 % | 20.00 | +150% | Sep 2018 | Open |
| Coliform, fecal - % samples exceeding limit | DMR, Limited - Overdue | 50.00 % | 20.00 | +150% | Sep 2018 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Overdue | 96.00 % | 85.00 | +73% | Aug 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 96.00 % | 85.00 | +73% | Aug 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 94.00 % | 85.00 | +60% | Jul 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Overdue | 96.00 % | 85.00 | +73% | Jun 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 96.00 % | 85.00 | +73% | Jun 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Overdue | 98.00 % | 85.00 | +87% | May 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 98.00 % | 85.00 | +87% | May 2018 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Overdue | 35.80 mg/L | 21.20 | +69% | Mar 2018 | Resolved |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 35.80 mg/L | 21.20 | +69% | Mar 2018 | Resolved |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 32.80 mg/L | 21.20 | +55% | Feb 2018 | Resolved |
| Nitrite + Nitrate total [as N] | DMR, Limited - Overdue | 32.80 mg/L | 21.20 | +55% | Feb 2018 | Resolved |
| Copper, total [as Cu] | DMR, Limited - Overdue | 0.02 mg/L | 0.01 | +42% | Jan 2018 | Resolved |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +42% | Jan 2018 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 42.90 mg/L | 21.20 | +102% | Jan 2018 | Resolved |
| Nitrite + Nitrate total [as N] | DMR, Limited - Overdue | 42.90 mg/L | 21.20 | +102% | Jan 2018 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.70 mg/L | 4.00 | +8% | Dec 2017 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Overdue | 3.70 mg/L | 4.00 | +8% | Dec 2017 | Open |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.00 | +700% | Aug 2017 | Open |
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 21.10 mg/L | 15.00 | +41% | Mar 2017 | Resolved |
| Cadmium, total [as Cd] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +687% | Jan 2017 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 25.40 mg/L | 21.20 | +20% | Dec 2016 | Open |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.00 | +3,435% | Nov 2016 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 25.00 mg/L | 21.20 | +18% | Oct 2016 | Open |
| Coliform, fecal - % samples exceeding limit | DMR, Limited - Numeric Violation | 40.00 % | 20.00 | +100% | Oct 2016 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
Judicial
· Case 02-2011-0007 · May 23, 2016
Judicial
· Case 02-2004-0008 · Jan 10, 2007
$1,000,000
Judicial
· Case 02-2000-0004 · Jul 1, 2003
$1,000,000
Administrative - Formal
· Case 02-2002-3025 · Aug 8, 2002
Administrative - Formal
· Case 02-1999-3040 · Aug 30, 1999
Other facilities in LAS MARIAS County, PR
LAS MARIAS
LAS MARIAS, PR
PRPHA - RES GARDINES LAS MARIAS
LAS MARIAS, PR
LAS MARIAS POTABLE WATER FILTRATION PLANT
LAS MARIAS, PR
· Utilities
ESSO SERVICE STATION 2P-321
LAS MARIAS, PR
· Retail Trade