← Colorado

Tap water quality report

Eden Valley Institute

EPA monitoring tested this supplier for 75 contaminants and detected 18. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

75
contaminants tested
18
detected
80
people served
38
health-based violations
Water source
Surface water
Ownership
Private
Counties served
Larimer

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.

38
health-based violations
579
violations on file
4
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2025-08-01 → 2025-08-31
TT Health-based Resolved 2025-08-01 → 2025-08-31
TT Health-based Resolved 2025-08-01 → 2025-08-31
TT Health-based Resolved 2025-08-01 → 2025-08-31
TT Health-based Resolved 2024-10-17
TT Health-based Resolved 2024-10-17
TT Health-based Resolved 2024-10-17
TT Health-based Resolved 2024-10-01 → 2024-10-31
TT Health-based Resolved 2024-10-01 → 2024-10-31
TT Health-based Resolved 2024-10-01 → 2024-10-31

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 single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Lead
0.00080 mg/L 5.3%
of the EPA limit 0.0150 mg/L
16/16 LCR 2025
Nitrate
440 µg/L 4.4%
of the EPA limit 10000 µg/L
14/16 SYR4 2012–2019
TTHM
51.7 µg/L 65%
of the EPA limit 80 µg/L
11/11 SYR4 2012–2019
Xylenes, Total
14.2 µg/L 0.1%
of the EPA limit 10000 µg/L
10/13 SYR4 2012–2019
Bromodichloromethane
4.1 µg/L
No EPA limit set
9/9 SYR4 2012–2019
Chloroform
49.3 µg/L
No EPA limit set
9/9 SYR4 2012–2019
Barium
19 µg/L 1%
of the EPA limit 2000 µg/L
8/8 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
34.3 µg/L 57%
of the EPA limit 60 µg/L
7/7 SYR4 2012–2019
Dichloroacetic Acid
18.3 µg/L
No EPA limit set
4/4 SYR4 2015–2019
Ethylbenzene
2.8 µg/L 0.4%
of the EPA limit 700 µg/L
4/13 SYR4 2012–2019
Trichloroacetic Acid
13.7 µg/L
No EPA limit set
4/4 SYR4 2015–2019
Fluoride
220 µg/L 5.5%
of the EPA limit 4000 µg/L
3/8 SYR4 2012–2019
Monochloroacetic Acid
2.3 µg/L
No EPA limit set
3/4 SYR4 2015–2019
Antimony, Total
0.8100 µg/L 14%
of the EPA limit 6 µg/L
1/8 SYR4 2012–2019
Combined Radium (-226 And -228)
2.4 pCi/L 48%
of the EPA limit 5 pCi/L
1/1 SYR4 2019
Dibromochloromethane
0.7800 µg/L
No EPA limit set
1/9 SYR4 2012–2019
Gross Alpha, Excl. Radon And U
0.1000 pCi/L 0.7%
of the EPA limit 15 pCi/L
1/1 SYR4 2019
Selenium
0.5900 µg/L 1.2%
of the EPA limit 50 µg/L
1/8 SYR4 2012–2019
57 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-DArsenicAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalBromoformChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumCombined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDibromoacetic AcidDinosebDiquatEthylene DibromideEndothallEndrinHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidOxamylPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl Chloridecis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
NUNES, CLAYTON
Phone
240-643-8680
Email
clayton@eden-valley.org

Frequently asked questions about Eden Valley Institute

Is Eden Valley Institute tap water safe to drink?

EPA monitoring detected 18 contaminants in Eden Valley Institute'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 Eden Valley Institute's water?

EPA monitoring detected Lead, Nitrate, TTHM, Xylenes, Total, Bromodichloromethane, and others. The full list with the level and data source for each is above.

How many people does Eden Valley Institute serve?

Eden Valley Institute reports serving 80 people in Colorado, per its EPA record.

Has Eden Valley Institute had any water quality violations?

The EPA has 579 violations on file for Eden Valley Institute, of which 38 are health-based (a contaminant limit or required treatment was breached) and 4 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.