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Tap water quality report

Dianne Ridge

EPA monitoring tested this supplier for 53 contaminants and detected 19. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

53
contaminants tested
19
detected
59
people served
30
health-based violations
Virginia rankingsLead in VirginiaPFAS in Virginia
Water source
Ground water
Ownership
Local government
Counties served
Hanover

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.

30
health-based violations
30
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 1991-07-01 → 1992-06-30
MCL Health-based Resolved 1991-07-01 → 1992-06-30
MCL Health-based Resolved 1991-07-01 → 1992-06-30
MCL Health-based Resolved 1991-07-01 → 1992-06-30
MCL Health-based Resolved 1991-07-01 → 1992-06-30
MCL Health-based Resolved 1991-07-01 → 1992-06-30
MCL Health-based Resolved 1991-07-01 → 1992-06-30
MCL Health-based Resolved 1991-07-01 → 1992-06-30
MCL Health-based Resolved 1991-07-01 → 1992-06-30
MCL Health-based Resolved 1991-07-01 → 1992-06-30

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
Copper
94.5 µg/L 7.3%
of the EPA limit 1300 µg/L
worst single sample: 99 µg/L
16/19 SYR4 2013–2019
Lead
0.0020 mg/L 13%
of the EPA limit 0.0150 mg/L
 14/14 LCR 2024
Chloroform
4.68 µg/L
No EPA limit set
worst single sample: 5.4 µg/L
13/13 SYR4 2013–2019
Gross Beta Particle Activity
13.25 pCi/L
No EPA limit set
worst single sample: 13.4 pCi/L
11/11 SYR4 2013–2019
Bromodichloromethane
2.4 µg/L
No EPA limit set
worst single sample: 2.6 µg/L
9/13 SYR4 2013–2019
Combined Radium (-226 And -228)
1.72 pCi/L 34%
of the EPA limit 5 pCi/L
worst single sample: 1.8 pCi/L
9/10 SYR4 2013–2019
Lead
2 µg/L 13%
of the EPA limit 15 µg/L
 9/19 SYR4 2013–2019
Dibromochloromethane
1.1 µg/L
No EPA limit set
 7/13 SYR4 2013–2019
Xylenes, Total
5.5 µg/L 0.1%
of the EPA limit 10000 µg/L
worst single sample: 5.9 µg/L
6/12 SYR4 2013–2019
Barium
34.85 µg/L 1.7%
of the EPA limit 2000 µg/L
worst single sample: 38 µg/L
4/4 SYR4 2013–2019
Fluoride
591 µg/L 15%
of the EPA limit 4000 µg/L
worst single sample: 600 µg/L
4/4 SYR4 2013–2019
Dichloroacetic Acid
2.63 µg/L
No EPA limit set
worst single sample: 2.7 µg/L
3/3 SYR4 2013–2019
Ethylbenzene
1.08 µg/L 0.2%
of the EPA limit 700 µg/L
worst single sample: 1.1 µg/L
3/12 SYR4 2013–2019
TTHM
8.89 µg/L 11%
of the EPA limit 80 µg/L
worst single sample: 9.1 µg/L
3/3 SYR4 2013–2019
Total Haloacetic Acids (HAA5)
3.62 µg/L 6%
of the EPA limit 60 µg/L
worst single sample: 3.8 µg/L
3/3 SYR4 2013–2019
Gross Alpha, Excl. Radon And U
17.03 pCi/L 114%
of the EPA limit, at the 95th percentile of samples — 15 pCi/L
worst single sample: 17.6 pCi/L
2/4 SYR4 2016–2018
Toluene
0.8850 µg/L 0.1%
of the EPA limit 1000 µg/L
worst single sample: 0.9000 µg/L
2/12 SYR4 2013–2019
Combined Uranium
1.788 µg/L 6%
of the EPA limit 30 µg/L
 1/4 SYR4 2016–2018
Trichloroacetic Acid
1.1 µg/L
No EPA limit set
 1/3 SYR4 2013–2019
34 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-DichloropropaneAntimony, TotalArsenicBenzeneBeryllium, TotalBromoformChlorobenzeneCyanideCadmiumCarbon TetrachlorideChromiumDichloromethaneDibromoacetic AcidEthylene DibromideMercuryMonobromoacetic AcidMonochloroacetic AcidNitrate-NitriteSeleniumStyreneTetrachloroethyleneThallium, TotalTrichloroethyleneVinyl Chloridecis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
LONGSHORE, MATT
Phone
804-365-6022
Email
[email protected]

Frequently asked questions about Dianne Ridge

Is Dianne Ridge tap water safe to drink?

EPA monitoring detected 19 contaminants in Dianne Ridge'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 Dianne Ridge's water?

EPA monitoring detected Copper, Lead, Chloroform, Gross Beta Particle Activity, Bromodichloromethane, and others. The full list with the level and data source for each is above.

How many people does Dianne Ridge serve?

Dianne Ridge reports serving 59 people in Virginia, per its EPA record.

Has Dianne Ridge had any water quality violations?

The EPA has 30 violations on file for Dianne Ridge, of which 30 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.