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Oil And Gas Field Services, Puerto Rico Village, the Northern Mariana Islands. NPDES permit MP0020397, in force until Oct 31, 2030. Last 12 months: over a limit 4 times (last March 2026), 5 required values missing, 2 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| January 2026 | Copper, total recoverable, daily maximum | 8.51 ug/L | ≤ 8.2 ug/L | 4% |
| January 2026 | Enterococci, single sample | 197 MPN/100mL | ≤ 130 MPN/100mL | 52% |
| January 2026 | pH, minimum | 7 SU | ≥ 7.2 SU | — |
| March 2026 | Enterococci, single sample | 613.1 MPN/100mL | ≤ 130 MPN/100mL | 372% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year |
| pH | minimum | ≥ 7.2 SU | all year |
| pH | daily maximum | ≤ 8.9 SU | all year |
| Salinity | daily maximum | report only (ppm) | all year |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year |
| Ammonia, unionized | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | ≤ .655 mg/L | all year |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year |
| Asbestos | daily maximum | report only (ct/L) | all year |
| Arsenic, total recoverable | daily maximum | ≤ 7.4 ug/L | all year |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year |
| Selenium, total recoverable | daily maximum | report only (ug/L) | all year |
| Thallium, total recoverable | daily maximum | report only (ug/L) | all year |
| Beryllium, total recoverable [as Be] | daily maximum | report only (ug/L) | all year |
| Nickel, total recoverable | daily maximum | report only (ug/L) | all year |
| Silver total recoverable | daily maximum | report only (ug/L) | all year |
| Zinc, total recoverable | daily maximum | ≤ 188.4 ug/L | all year |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year |
| Copper, total recoverable | daily maximum | ≤ 8.2 ug/L | all year |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year |
| Antimony, total recoverable | daily maximum | report only (ug/L) | all year |
| Manganese, total recoverable | daily maximum | ≤ 220 ug/L | all year |
| Dichlorobromomethane | daily maximum | report only (ug/L) | all year |
| Carbon tetrachloride | daily maximum | report only (ug/L) | all year |
| 1,2-Dichloroethane | daily maximum | report only (ug/L) | all year |
| Bromoform | daily maximum | report only (ug/L) | all year |
| Chloroform | daily maximum | report only (ug/L) | all year |
| Toluene | daily maximum | report only (ug/L) | all year |
| Benzene | daily maximum | ≤ 35.2 ug/L | all year |
| Benzene | daily maximum | report only (ug/L) | all year |
| .delta.-BHC | daily maximum | report only (ug/L) | all year |
| Acenaphthylene | daily maximum | report only (ug/L) | all year |
| Acenaphthylene | daily maximum | report only (ug/L) | all year |
| Acenaphthene | daily maximum | report only (ug/L) | all year |
| Acenaphthene | daily maximum | report only (ug/L) | all year |
| Acrolein | daily maximum | report only (ug/L) | all year |
| Acrylonitrile | daily maximum | report only (ug/L) | all year |
| Anthracene | daily maximum | report only (ug/L) | all year |
| Anthracene | daily maximum | report only (ug/L) | all year |
| Benzo[b]fluoranthene | daily maximum | report only (ug/L) | all year |
| Benzo[k]fluoranthene | daily maximum | report only (ug/L) | all year |
| Benzo[k]fluoranthene | daily maximum | report only (ug/L) | all year |
| Benzo[a]pyrene | daily maximum | report only (ug/L) | all year |
| Benzo[a]pyrene | daily maximum | report only (ug/L) | all year |
| Bis[2-chloroethyl] ether | daily maximum | report only (ug/L) | all year |
| Bis[2-chloroethoxy]methane | daily maximum | report only (ug/L) | all year |
| Bis[2-chloroisopropyl] ether | daily maximum | report only (ug/L) | all year |
| Butyl benzyl phthalate | daily maximum | report only (ug/L) | all year |
| Chlorobenzene | daily maximum | report only (ug/L) | all year |
| Chlorodibromomethane | daily maximum | report only (ug/L) | all year |
| Chrysene | daily maximum | report only (ug/L) | all year |
| Chrysene | daily maximum | report only (ug/L) | all year |
| Diethyl phthalate | daily maximum | report only (ug/L) | all year |
| Dimethyl phthalate | daily maximum | report only (ug/L) | all year |
| 1,2-Diphenylhydrazine | daily maximum | report only (ug/L) | all year |
| Endosulfan sulfate | daily maximum | report only (ug/L) | all year |
| .beta.-Endosulfan | daily maximum | report only (ug/L) | all year |
| .alpha.-Endosulfan | daily maximum | report only (ug/L) | all year |
| Endrin aldehyde | daily maximum | report only (ug/L) | all year |
| Ethylbenzene | daily maximum | report only (ug/L) | all year |
| Fluoranthene | daily maximum | report only (ug/L) | all year |
| Fluoranthene | daily maximum | report only (ug/L) | all year |
| Fluorene | daily maximum | report only (ug/L) | all year |
| Fluorene | daily maximum | report only (ug/L) | all year |
| Hexachlorocyclopentadiene | daily maximum | report only (ug/L) | all year |
| Hexachlorobutadiene | daily maximum | report only (ug/L) | all year |
| Hexachloroethane | daily maximum | report only (ug/L) | all year |
| Indeno[1,2,3-cd]pyrene | daily maximum | report only (ug/L) | all year |
| Indeno[1,2,3-cd]pyrene | daily maximum | report only (ug/L) | all year |
| Isophorone | daily maximum | report only (ug/L) | all year |
| Methyl bromide [Bromomethane] | daily maximum | report only (ug/L) | all year |
| Methyl chloride [Chloromethane] | daily maximum | report only (ug/L) | all year |
| Methylene chloride | daily maximum | report only (ug/L) | all year |
| N-Nitrosodi-N-propylamine | daily maximum | report only (ug/L) | all year |
| N-Nitrosodiphenylamine | daily maximum | report only (ug/L) | all year |
| N-Nitrosodimethylamine [NDMA] | daily maximum | report only (ug/L) | all year |
| Nitrobenzene | daily maximum | report only (ug/L) | all year |
| para-Chloro-meta-cresol | daily maximum | report only (ug/L) | all year |
| Phenanthrene | daily maximum | report only (ug/L) | all year |
| Phenanthrene | daily maximum | report only (ug/L) | all year |
| Pyrene | daily maximum | report only (ug/L) | all year |
| Pyrene | daily maximum | report only (ug/L) | all year |
| Tetrachloroethylene | daily maximum | report only (ug/L) | all year |
| 1,1-Dichloroethane | daily maximum | report only (ug/L) | all year |
| 1,1-Dichloroethylene | daily maximum | report only (ug/L) | all year |
| 1,1,1-Trichloroethane | daily maximum | report only (ug/L) | all year |
| 1,1,2-Trichloroethane | daily maximum | report only (ug/L) | all year |
| 1,1,2,2-Tetrachloroethane | daily maximum | report only (ug/L) | all year |
| Benzo[ghi]perylene | daily maximum | report only (ug/L) | all year |
| Benzo[ghi]perylene | daily maximum | report only (ug/L) | all year |
| Benzo[a]anthracene | daily maximum | report only (ug/L) | all year |
| Benzo[a]anthracene | daily maximum | report only (ug/L) | all year |
| 1,2-Dichlorobenzene | daily maximum | report only (ug/L) | all year |
| 1,2-Dichloropropane | daily maximum | report only (ug/L) | all year |
| trans-1,2-Dichloroethylene | daily maximum | report only (ug/L) | all year |
| 1,2,4-Trichlorobenzene | daily maximum | report only (ug/L) | all year |
| Dibenz[a,h]anthracene | daily maximum | report only (ug/L) | all year |
| Dibenz[a,h]anthracene | daily maximum | report only (ug/L) | all year |
| 1,3-Dichlorobenzene | daily maximum | report only (ug/L) | all year |
| 1,4-Dichlorobenzene | daily maximum | report only (ug/L) | all year |
| 2-Chloroethyl vinyl ether, [mixed] | daily maximum | report only (ug/L) | all year |
| 2-Chloronaphthalene | daily maximum | report only (ug/L) | all year |
| 2-Chlorophenol | daily maximum | report only (ug/L) | all year |
| 2-Nitrophenol | daily maximum | report only (ug/L) | all year |
| Di-n-octyl phthalate | daily maximum | report only (ug/L) | all year |
| 2,4-Dichlorophenol | daily maximum | report only (ug/L) | all year |
| 2,4-Dimethylphenol | daily maximum | report only (ug/L) | all year |
| 2,4-Dinitrotoluene | daily maximum | report only (ug/L) | all year |
| 2,4-Dinitrophenol | daily maximum | report only (ug/L) | all year |
| 2,4,6-Trichlorophenol | daily maximum | report only (ug/L) | all year |
| 2,6-Dinitrotoluene | daily maximum | report only (ug/L) | all year |
| 3,3'-Dichlorobenzidine | daily maximum | report only (ug/L) | all year |
| 4-Bromophenyl phenyl ether | daily maximum | report only (ug/L) | all year |
| 4-Chlorophenyl phenyl ether | daily maximum | report only (ug/L) | all year |
| 4-Nitrophenol | daily maximum | report only (ug/L) | all year |
| 4,6-Dinitro-o-cresol | daily maximum | report only (ug/L) | all year |
| PCB-1016 | daily maximum | report only (ug/L) | all year |
| 2,3,7,8-Tetrachlorodibenzo-p-dioxin | daily maximum | report only (ug/L) | all year |
| Phenol | daily maximum | report only (ug/L) | all year |
| Naphthalene | daily maximum | report only (ug/L) | all year |
| Naphthalene | daily maximum | report only (ug/L) | all year |
| Pentachlorophenol | daily maximum | report only (ug/L) | all year |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | all year |
| Di-n-butyl phthalate | daily maximum | report only (ug/L) | all year |
| Benzidine | daily maximum | report only (ug/L) | all year |
| Vinyl chloride | daily maximum | report only (ug/L) | all year |
| Trichloroethylene | daily maximum | report only (ug/L) | all year |
| 4,4'-DDT | daily maximum | report only (ug/L) | all year |
| 4,4'-DDD | daily maximum | report only (ug/L) | all year |
| 4,4'-DDE | daily maximum | report only (ug/L) | all year |
| Aldrin | daily maximum | report only (ug/L) | all year |
| .alpha.-BHC | daily maximum | report only (ug/L) | all year |
| .beta.-BHC | daily maximum | report only (ug/L) | all year |
| .gamma.-BHC | daily maximum | report only (ug/L) | all year |
| Chlordane [tech mix. and metabolites] | daily maximum | report only (ug/L) | all year |
| Dieldrin | daily maximum | report only (ug/L) | all year |
| Endrin | daily maximum | report only (ug/L) | all year |
| Toxaphene | daily maximum | report only (ug/L) | all year |
| Heptachlor | daily maximum | report only (ug/L) | all year |
| Heptachlor epoxide | daily maximum | report only (ug/L) | all year |
| PCB-1221 | daily maximum | report only (ug/L) | all year |
| PCB-1232 | daily maximum | report only (ug/L) | all year |
| PCB-1242 | daily maximum | report only (ug/L) | all year |
| PCB-1248 | daily maximum | report only (ug/L) | all year |
| PCB-1254 | daily maximum | report only (ug/L) | all year |
| PCB-1260 | daily maximum | report only (ug/L) | all year |
| Hexachlorobenzene | daily maximum | report only (ug/L) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Enterococci | single sample | ≤ 130 MPN/100mL | all year |
| Oil & grease, total recoverable | daily maximum | ≤ 15 mg/L | all year |
| Mercury, total recoverable | daily maximum | report only (ug/L) | all year |
| 3,4-Benzofluoranthene | daily maximum | report only (ug/L) | all year |
| Chloroethane | daily maximum | report only (ug/L) | all year |
| Pass/Fail Static 48Hr Chronic Macrocystis pyrifera | monthly median | report only (pass=0;fail=1) | all year |
| Pass/Fail Static 48Hr Chronic Macrocystis pyrifera | daily maximum | ≤ 50 pass=0;fail=1 | all year |
| Pass/Fail Static Renewal 7 Day Chronic Menidia beryllina | monthly median | report only (pass=0;fail=1) | all year |
| Pass/Fail Static Renewal 7 Day Chronic Menidia beryllina | daily maximum | ≤ 50 pass=0;fail=1 | all year |
| Pass/Fail Static Renewal 7 Day Chronic Atherinops affinis | monthly median | report only (pass=0;fail=1) | all year |
| Pass/Fail Static Renewal 7 Day Chronic Atherinops affinis | daily maximum | ≤ 50 pass=0;fail=1 | all year |
| Pass/Fail Static 20 Minute Fertilization Chronic Strongylocentrotus purpuratus | monthly median | report only (pass=0;fail=1) | all year |
| Pass/Fail Static 20 Minute Fertilization Chronic Strongylocentrotus purpuratus | daily maximum | ≤ 50 pass=0;fail=1 | all year |
| Pass/Fail Static 20 Minute Fertilization Chronic Dendraster excentricus | monthly median | report only (pass=0;fail=1) | all year |
| Pass/Fail Static 20 Minute Fertilization Chronic Dendraster excentricus | daily maximum | ≤ 50 pass=0;fail=1 | all year |
Cited limits by parameter: we hold no rule of the Northern Mariana Islands's own; the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MP0020397 · MCP: https://passage-data.com/mcp