Tap WaterIndex

← New Hampshire

Tap water quality report

Louisburg Circle

EPA monitoring tested this supplier for 68 contaminants and detected 8. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

68
contaminants tested
8
detected
55
people served
14
health-based violations
New Hampshire rankingsLead in New HampshirePFAS in New Hampshire
Water source
Ground water
Ownership
Private
Counties served
Rockingham

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.

14
health-based violations
20
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 2009-07-01 → 2009-07-31
MCL Health-based Resolved 2009-07-01 → 2009-07-31
MCL Health-based Resolved 2009-07-01 → 2009-07-31
MCL Health-based Resolved 2009-07-01 → 2009-07-31
MCL Health-based Resolved 2009-07-01 → 2009-07-31
MCL Health-based Resolved 2009-06-01 → 2009-06-30
MCL Health-based Resolved 2009-06-01 → 2009-06-30
MCL Health-based Resolved 2009-06-01 → 2009-06-30
MCL Health-based Resolved 2009-06-01 → 2009-06-30
MCL Health-based Resolved 2009-06-01 → 2009-06-30

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
Arsenic
9.2312 µg/L 92%
of the EPA limit 10 µg/L
worst single sample: 11.2 µg/L
23/24 SYR4 2014–2019
Copper
86.17 µg/L 6.6%
of the EPA limit 1300 µg/L
worst single sample: 88.7 µg/L
12/12 SYR4 2015–2018
Nitrate
1910.4 µg/L 19%
of the EPA limit 10000 µg/L
 12/12 SYR4 2014–2019
Barium
11 µg/L 0.5%
of the EPA limit 2000 µg/L
 2/2 SYR4 2015–2018
Chromium
2.6 µg/L 2.6%
of the EPA limit 100 µg/L
 1/2 SYR4 2015–2018
Combined Radium (-226 And -228)
0.7000 pCi/L 14%
of the EPA limit 5 pCi/L
 1/1 SYR4 2015
Gross Alpha, Excl. Radon And U
0.9000 pCi/L 6%
of the EPA limit 15 pCi/L
 1/1 SYR4 2015
Lead
1.2 µg/L 8%
of the EPA limit 15 µg/L
 1/10 SYR4 2015–2018
60 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, TotalAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalBromodichloromethaneBromoformChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformCombined UraniumDichloromethaneDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDibromochloromethaneDinosebEthylene DibromideEndrinEthylbenzeneFluorideGlyphosateHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTTHMTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
SPENCER CUSSON

Frequently asked questions about Louisburg Circle

Is Louisburg Circle tap water safe to drink?

EPA monitoring detected 8 contaminants in Louisburg Circle'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 Louisburg Circle's water?

EPA monitoring detected Arsenic, Copper, Nitrate, Barium, Chromium, and others. The full list with the level and data source for each is above.

How many people does Louisburg Circle serve?

Louisburg Circle reports serving 55 people in New Hampshire, per its EPA record.

Has Louisburg Circle had any water quality violations?

The EPA has 20 violations on file for Louisburg Circle, of which 14 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.