10 CRR-NY 170.4NY-CRR
10 CRR-NY 170.4
10 CRR-NY 170.4
170.4 Standards of raw water quality.
Every source of water supply to which this Part is applicable shall meet the standards of quality hereinafter set forth and shall be protected from and free of contamination.
| Items | Specifications |
|---|---|
| 1. Floating solids: settleable solids; oil; sludge deposits; tastes or odor producing substances | None attributable to sewage, industrial wastes or other wastes. |
| 2. Sewage or waste effluents | None which are not effectively disinfected. |
| 3. pH | Range between 6.5 and 8.5. |
| 4. Dissolved oxygen | For trout waters, greater than 5.0 parts per million; for nontrout waters greater than 4.0 parts per million. |
| 5. Toxic wastes, oil, deleterious substances, colored or other wastes or heated liquids | None alone or in combination with other substances or wastes in sufficient amounts or at such temperatures as to make the waters unsafe or unsuitable as a source of water supply for drinking, culinary or food processing purposes. Provided further, that the concentration or quantity of the constituents or characteristics hereinafter set forth shall not exceed the allowable limits established therefor. |
| Constituent or characteristic | Allowable Units |
|---|---|
| Physical | |
| Turbidity | 5 units |
| Microbiological | |
| Coliform organism | 50 per 100 ml. |
| Inorganic chemicals | (Concentration in mg/1) |
| Ammonia (NH2) | <2.0 |
| Arsenic (As) | 0.05 |
| Barium (Ba) | 1.0 |
| Boron (B) | 1.0 |
| CCE | 0.2 |
| Cadmium (Cd) | 0.01 |
| Chloride (Cl) | 250. |
| Chromium (Hexavalent) (Cr+6) | 0.05 |
| Copper (Cu) | <0.2 |
| Cyanide (CN) | <0.1 |
| Flouride (F) | <1.5 |
| Lead (Pb) | 0.05 |
| Mercury (Hg) | 0.005 |
| Nitrates (NO3) + Nitrates (NO2) | 10. |
| Selenium (Se) | 0.01 |
| Silver (Ag) | 0.05 |
| Sodium (Na) | <20. |
| Sulfate (SO4) | 250. |
| Total dissolved solids | 500. |
| Uranyl ion | <5.0 |
| Zinc (Zn) | <0.3 |
| Organic Chemicals | (Concentration in mg/1) |
| Organic nitrogen | 0.5 |
| Oxygen consumed | 2.0 |
| Phenols | 0.001 |
| Pesticides | |
| Aldrin | 0.007 |
| Chlordane | 0.003 |
| DDT | 0.042 |
| Dieldrin | 0.017 |
| Endrin | 0.001 |
| Heptachlor | 0.013 |
| Heptachlor epoxide | 0.013 |
| Herbicides | 0.1 |
| Lindane | 0.053 |
| Methoxychlor | 0.065 |
| Organic phosphates + carbamates | 0.1 |
| Toxaphene | 0.005 |
| Radioactivity | (Concentration in pc/1) |
| Gross beta | 1000. |
| Radium-226 | 3. |
| Strontium-90 | 10. |
10 CRR-NY 170.4
Current through February 28, 2023
| End of Document |
IMPORTANT NOTE REGARDING CONTENT CURRENCY: The "Current through" date indicated immediately above is the date of the most recently produced official NYCRR supplement covering this rule section. For later updates to this section, if any, please: consult editions of the NYS Register published after this date; or contact the NYS Department of State Division of Administrative Rules at [email protected]. See Help for additional information on the currency of this unofficial version of NYS Rules.