(a) The maximum contaminant level for arsenic applies only to community water systems. The analyses and determination of compliance with the 0.05 milligrams per liter maximum contaminant level for arsenic use the requirements of § 141.23.
(b) The maximum contaminant level for arsenic is 0.05 milligrams per liter for community water systems until January 23, 2006.
(c) [Reserved]
(d) At the discretion of the State, nitrate levels not to exceed 20 mg/l may be allowed in a non-community water system if the supplier of water demonstrates to the satisfaction of the State that:
(1) Such water will not be available to children under 6 months of age; and
(2) The non-community water system is meeting the public notification requirements under § 141.209, including continuous posting of the fact that nitrate levels exceed 10 mg/l and the potential health effects of exposure; and
(3) Local and State public health authorities will be notified annually of nitrate levels that exceed 10 mg/l; and
(4) No adverse health effects shall result.
[40 FR 59570, Dec. 24, 1975, as amended at 45 FR 57342, Aug. 27, 1980; 47 FR 10998, Mar. 12, 1982; 51 FR 11410, Apr. 2, 1986; 56 FR 3578, Jan. 30, 1991; 56 FR 26548, June 7, 1991; 56 FR 30274, July 1, 1991; 56 FR 32113, July 15, 1991; 60 FR 33932, June 29, 1995; 65 FR 26022, May 4, 2000; 66 FR 7061, Jan. 22, 2001]
Notes of Decisions
Rich v. Re/Max Tri-Cities, LLC, 237 P.3d 655 (Idaho 2010).
“40 C.F.R. § 141.11 (a). Rich testified that the presence of arsenic, even at levels below the EPA standards, would have been unacceptable.”
United States v. Ottati & Goss, 694 F. Supp. 977 (D.N.H. 1988).
“3 ; 40 C.F.R. § 141.11 . It is the court’s ruling: the three indicator compounds, benzene, trichloroethylene, and 1,2 dichloroethane shall be remediated to 5 ppb.”
Blackmore v. Re/max Tri-cities, LLC, 237 P.3d 655 (Idaho 2010).
“40 C.F.R. § 141.11 (a). Rich testified that the presence of arsenic, even at levels below the EPA standards, would have been unacceptable.”
United States v. Bethlehem Steel Corp., 829 F. Supp. 1023 (N.D. Ind. 1993).
“See 40 C.F.R. § 141.11 (1991). Defendant argues that this Court must focus on the water in the landfill and the lagoons, as opposed to the sediment in either, because the potential risk present is that the material will contaminate the water table.”
Knott v. United Water Sys. Inc (W.D. La. 2024).
“These regulations provide for certain quantifiable upper and lower limits for substances such as inorganic contaminants ( 40 CFR §§ 141.11 , et seq.; 141.50, et seq.”
Matter of Env't. Mgmt. Com'n, 341 S.E.2d 588 (N.C. Ct. App. 1986).
“10D-161310D-1616 with 40 CFR 141.11141.14. The language of the State regulations is virtually identical to the federal regulations.”
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