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Tap water quality report

Greystone Commons

EPA monitoring tested this supplier for 67 contaminants and detected 1. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

67
contaminants tested
1
detected
25
people served
0
health-based violations
New Hampshire rankingsLead in New HampshirePFAS in New Hampshire
Water source
Ground water
Ownership
Private
Counties served
Strafford

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

0
health-based violations
280
violations on file
0
still open
ViolationTypeStatusPeriod
MR Monitoring Resolved 2017-07-01 → 2017-09-30
MR Monitoring Resolved 2017-07-01 → 2017-09-30
MR Monitoring Resolved 2017-07-01 → 2017-09-30
MR Monitoring Resolved 2017-07-01 → 2017-09-30
Other Monitoring Resolved 2015-07-01
Other Monitoring Resolved 2015-07-01
MR Monitoring Resolved 2012-07-01
MR Monitoring Resolved 2012-07-01
Other Monitoring Resolved 2010-07-01
Other Monitoring Resolved 2010-07-01

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Copper
49.515 µg/L 3.8%
of the EPA limit 1300 µg/L
worst single sample: 52 µg/L
2/12 SYR4 2015–2018
66 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalArsenicAtrazineBhc-GammaBariumBenzeneBenzo(A)PyreneBeryllium, TotalBromodichloromethaneBromoformChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformChromiumCombined Radium (-226 And -228)Combined UraniumDichloromethaneDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDibromochloromethaneDinosebEthylene DibromideEndrinEthylbenzeneFluorideGlyphosateGross Alpha, Excl. Radon And UHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoLeadMercuryMethoxychlorNitrateNitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
KAREN LONG

Frequently asked questions about Greystone Commons

Is Greystone Commons tap water safe to drink?

EPA monitoring detected 1 contaminant in Greystone Commons's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Greystone Commons's water?

EPA monitoring detected Copper. The full list with the level and data source for each is above.

How many people does Greystone Commons serve?

Greystone Commons reports serving 25 people in New Hampshire, per its EPA record.

Has Greystone Commons had any water quality violations?

The EPA has 280 violations on file for Greystone Commons, of which 0 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.