048-A Wyo. Code R. 0052 app A - Minimum water quality standards

Used for the conveyance of private rural property connected to a private supply

	Wyo	EPA	Det.
Analyte	MCL*	MCL/SMCL**	Limit	Units
Calcium Magnesium Sodium			1 1 3	mg/L mg/L mg/L
Hardness as CaCO3				mg/L
Total Alkalinity as CaCO Chloride	3 (250)	250		mg/L
Sulfates	750	deferred	3	mg/L
Nitrates + Nitrites as N	10	10	0.05	mg/L
Fluoride	(2)	2		mg/L
Conductivity pH	(6.5-8.5 )	6.5-8.5		Umhos/cm pH Units
Total Dissolved Solids, Summation	1500	500		mg/L
Iron	(0.3)	0.3		mg/L
Manganese	(0.05)	0.05		mg/L
Lead, First draw	(0.015)	TT/0.015	0.002	mg/L
Copper, First draw	(1.3)	TT/1.3	0.1	mg/L
Lead, Second draw	(0.015)	TT/0.015	0.002	mg/L
Copper, Second draw	(1.3)	TT/1.3	0.1	mg/L
Zinc Corrosivity	(5) (Non-Cor)	5 Non-Cor		mg/L LI Units
Total Coliform	Negative	Negative		/100ml

1. Analytes in BOLD shaded ares represent the minimum requirement for private water supplies serving a single residence.

2. Analytes in parentheses are recommended, in addition to those in #1, for private water supplies connected to a single residence but required for private supplies serving multiple residences below those regulated under the Safe Drinking Water Act.

3. If first draw lead and/or copper data exceeds recommendations, the data should ONLY be used to warn buyers or renters and make suggestions to minimize exposure.

*MCL - Maximum Contaminant Level

**SMCL - Secondary Maximum Contaminant Level

Notes

048-A Wyo. Code R. 0052 app A