Southern Nevada Water System (NV) Water Quality

Southern Nevada Water System is a large public water system in EPA region 9 that provides tap water for the zip codes. It has 4 facilities where the water supply was tested for 10 chemical contaminants that impact tap water quality and human health.

All the latest water samples for Southern Nevada Water System had reported contaminant levels that were below unsafe concentration levels.

Contaminants

2,4-dinitrotoluene (8)

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

8/27/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

8/27/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

5/21/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

5/21/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

2/13/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

2/13/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

11/19/2002

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2,6-dinitrotoluene (8)

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

8/27/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

8/27/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

5/21/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

5/21/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

2/13/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

2/13/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

11/19/2002

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (8)

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<0.8 µg/L

Below Reporting Level

8/27/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<0.8 µg/L

Below Reporting Level

8/27/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<0.8 µg/L

Below Reporting Level

5/21/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<0.8 µg/L

Below Reporting Level

5/21/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<0.8 µg/L

Below Reporting Level

2/13/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<0.8 µg/L

Below Reporting Level

2/13/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<0.8 µg/L

Below Reporting Level

11/19/2002

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<0.8 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 0.8 µg/L
Reference Level: ?

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (8)

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

8/27/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

8/27/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

5/21/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

5/21/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

2/13/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

2/13/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

11/19/2002

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (8)

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<5 µg/L

Below Reporting Level

8/27/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<5 µg/L

Below Reporting Level

8/27/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<5 µg/L

Below Reporting Level

5/21/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<5 µg/L

Below Reporting Level

5/21/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<5 µg/L

Below Reporting Level

2/13/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<5 µg/L

Below Reporting Level

2/13/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<5 µg/L

Below Reporting Level

11/19/2002

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<5 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 5 µg/L
Reference Level: ?

Contaminant Details

molinate (8)

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<0.9 µg/L

Below Reporting Level

8/27/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<0.9 µg/L

Below Reporting Level

8/27/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<0.9 µg/L

Below Reporting Level

5/21/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<0.9 µg/L

Below Reporting Level

5/21/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<0.9 µg/L

Below Reporting Level

2/13/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<0.9 µg/L

Below Reporting Level

2/13/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<0.9 µg/L

Below Reporting Level

11/19/2002

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<0.9 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 0.9 µg/L
Reference Level: ?

Contaminant Details

nitrobenzene (8)

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<10 µg/L

Below Reporting Level

8/27/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<10 µg/L

Below Reporting Level

8/27/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<10 µg/L

Below Reporting Level

5/21/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<10 µg/L

Below Reporting Level

5/21/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<10 µg/L

Below Reporting Level

2/13/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<10 µg/L

Below Reporting Level

2/13/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<10 µg/L

Below Reporting Level

11/19/2002

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<10 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 10 µg/L
Reference Level: ?

Contaminant Details

perchlorate (8)

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

5.7 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 1.7 µg/L

8/27/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

5.4 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 1.4 µg/L

8/27/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 6 µg/L

5/21/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

7.23 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 3.23 µg/L

5/21/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

14 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 10 µg/L

2/13/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 7 µg/L

2/13/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

17.2 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 13.2 µg/L

11/19/2002

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

5.94 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 1.94 µg/L

11/19/2002

22 years ago

Minimum Reporting Level: 4 µg/L
Reference Level: ?

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (8)

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

8/27/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

8/27/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

5/21/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

5/21/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

2/13/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

2/13/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

11/19/2002

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<1 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

terbacil (8)

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

8/27/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

8/27/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

5/21/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

5/21/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

2/13/2003

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

2/13/2003

22 years ago

ALFRED MERRITT SMITH TREATMENT FACILITY EP02

ALFRED MERRITT SMITH TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

11/19/2002

22 years ago

RIVER MOUNTAINS

RIVER MOUNTAINS TREATMENT PLANT ℹ️

<2 µg/L

Below Reporting Level

11/19/2002

22 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

Southern Nevada Water System (NV) Water Quality

Contaminants

2,4-dinitrotoluene (8)

2,6-dinitrotoluene (8)

4,4'-dichloro dichlorophenyl ethylene (DDE) (8)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (8)

methyl-tertiary-butyl-ether (MTBE) (8)

molinate (8)

nitrobenzene (8)

perchlorate (8)

s-ethyl-dipropylthiocarbamate (EPTC) (8)

terbacil (8)

Sampling Facilities

ALFRED MERRITT SURFACE WATER PLANT
Surface Water (SW)

RIVER MOUNTAIN SURFACE WATER PLANT+D33
Surface Water (SW)

ALFRED MERRITT SMITH TREATMENT PLANT
Surface Water (SW)

RIVER MOUNTAINS TREATMENT PLANT
Surface Water (SW)

FAQ

Is Southern Nevada Water System tap water safe to drink?

When was Southern Nevada Water System last tested for water contamination?

Contaminants

2,4-dinitrotoluene (8)

2,6-dinitrotoluene (8)

4,4'-dichloro dichlorophenyl ethylene (DDE) (8)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (8)

methyl-tertiary-butyl-ether (MTBE) (8)

molinate (8)

nitrobenzene (8)

perchlorate (8)

s-ethyl-dipropylthiocarbamate (EPTC) (8)

terbacil (8)

Sampling Facilities

ALFRED MERRITT SURFACE WATER PLANT Surface Water (SW)

RIVER MOUNTAIN SURFACE WATER PLANT+D33 Surface Water (SW)

ALFRED MERRITT SMITH TREATMENT PLANT Surface Water (SW)

RIVER MOUNTAINS TREATMENT PLANT Surface Water (SW)

FAQ

Is Southern Nevada Water System tap water safe to drink?

When was Southern Nevada Water System last tested for water contamination?

ALFRED MERRITT SURFACE WATER PLANT
Surface Water (SW)

RIVER MOUNTAIN SURFACE WATER PLANT+D33
Surface Water (SW)

ALFRED MERRITT SMITH TREATMENT PLANT
Surface Water (SW)

RIVER MOUNTAINS TREATMENT PLANT
Surface Water (SW)