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Grandvrio Resort

MP — Non-Transient Non-Community — PWSID: MP0000026

System Information

PWSIDMP0000026
System NameGrandvrio Resort
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedJan 24, 1997
Last ReportedDec 19, 2025

Location & Contact

StateMP
CitySaipan
ZIP Code96950
AddressPO BOX 500338
Organization—
Phone6702346495

Population & Service

Population Served409
Service Connections1

Drinking Water Violations (62)

This water system has 62 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Oct 1, 2007 Oct 31, 2007 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2007 Total Coliform Rule
Jul 1, 2002 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2002 Lead and Copper Rule
Jul 1, 2002 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2002 Lead and Copper Rule
Mar 1, 2002 Mar 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 2002 Total Coliform Rule
Jan 1, 2002 — Lead and Copper Rule MR No No — TT — Resolved Jun 26, 2003 Lead and Copper Rule
Jan 1, 2002 — Lead and Copper Rule MR No No — TT — Resolved Jun 26, 2003 Lead and Copper Rule
Jul 1, 2001 — Consumer Confidence Rule Other No No — — — Resolved Nov 5, 2002 Consumer Confidence Rule
Jul 1, 2001 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2002 Lead and Copper Rule
Jul 1, 2001 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2002 Lead and Copper Rule
Jan 1, 2001 Mar 31, 2001 Benzene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Xylenes, Total MR No Yes — 10 mg/L — Resolved Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Endrin MR No Yes — 0.002 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Chlordane MR No Yes — 0.002 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Glyphosate MR No Yes — 0.7 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Endothall MR No Yes — 0.1 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2001 Radionuclides and Revised Rad Rule
Jan 1, 2001 Mar 31, 2001 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Dinoseb MR No Yes — 0.007 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Styrene MR No Yes — 0.1 mg/L — Resolved Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Dec 31, 2001 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2001 Nitrate Rule
Jan 1, 2001 Mar 31, 2001 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Diquat MR No Yes — 0.02 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Carbofuran MR No Yes — 0.04 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Atrazine MR No Yes — 0.003 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 LASSO MR No Yes — — — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Mar 31, 2001 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2001 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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