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Tap water quality report

Scwa, Oakdale Heights Division

EPA monitoring tested this supplier for 73 contaminants and detected 10. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

73
contaminants tested
10
detected
876
people served
37
health-based violations
Connecticut rankingsLead in ConnecticutPFAS in Connecticut
Water source
Ground water
Ownership
Private
Counties served
New London

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.

37
health-based violations
67
violations on file
1
still open
ViolationTypeStatusPeriod
TT Health-based Unaddressed 2023-01-18
MCL Health-based Resolved 2009-11-01 → 2009-11-30
MCL Health-based Resolved 2009-11-01 → 2009-11-30
MCL Health-based Resolved 2009-11-01 → 2009-11-30
MCL Health-based Resolved 2009-11-01 → 2009-11-30
MCL Health-based Resolved 2009-10-01 → 2009-10-31
MCL Health-based Resolved 2009-10-01 → 2009-10-31
MCL Health-based Resolved 2009-10-01 → 2009-10-31
MCL Health-based Resolved 2009-10-01 → 2009-10-31
MCL Health-based Resolved 2009-09-01 → 2009-09-30

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
Copper
463 µg/L 36%
of the EPA limit 1300 µg/L
worst single sample: 2780 µg/L
105/122 SYR4 2012–2019
Lead
15.85 µg/L 106%
of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 56 µg/L
44/122 SYR4 2012–2019
Nitrate
1169 µg/L 12%
of the EPA limit 10000 µg/L
worst single sample: 1290 µg/L
32/32 SYR4 2012–2019
Lead
0.0076 mg/L 51%
of the EPA limit 0.0150 mg/L
 27/27 LCR 2025
Nitrate-Nitrite
1125 µg/L 11%
of the EPA limit 10000 µg/L
worst single sample: 1290 µg/L
16/16 SYR4 2012–2019
Barium
9.75 µg/L 0.5%
of the EPA limit 2000 µg/L
worst single sample: 10 µg/L
6/6 SYR4 2012–2018
Combined Uranium
1.195 µg/L 4%
of the EPA limit 30 µg/L
worst single sample: 1.2 µg/L
2/6 SYR4 2013–2019
Fluoride
109.5 µg/L 2.7%
of the EPA limit 4000 µg/L
worst single sample: 110 µg/L
2/6 SYR4 2012–2018
Chromium
2 µg/L 2%
of the EPA limit 100 µg/L
 1/6 SYR4 2012–2018
Di(2-ethylhexyl) Phthalate
0.8700 µg/L 14%
of the EPA limit 6 µg/L
 1/6 SYR4 2013–2019
63 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, TotalArsenicAsbestosAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalBromodichloromethaneBromoformChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformCombined Radium (-226 And -228)DichloromethaneDalaponDi(2-ethylhexyl) AdipateDibromochloromethaneDinosebDiquatEthylene DibromideEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon And UHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl Chloridecis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
CANSLER, JOSEPH
Phone
860-464-0232
Email
[email protected]

Frequently asked questions about Scwa, Oakdale Heights Division

Is Scwa, Oakdale Heights Division tap water safe to drink?

EPA monitoring detected 10 contaminants in Scwa, Oakdale Heights Division'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 Scwa, Oakdale Heights Division's water?

EPA monitoring detected Copper, Lead, Nitrate, Lead, Nitrate-Nitrite, and others. The full list with the level and data source for each is above.

How many people does Scwa, Oakdale Heights Division serve?

Scwa, Oakdale Heights Division reports serving 876 people in Connecticut, per its EPA record.

Has Scwa, Oakdale Heights Division had any water quality violations?

The EPA has 67 violations on file for Scwa, Oakdale Heights Division, of which 37 are health-based (a contaminant limit or required treatment was breached) and 1 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.