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| Office of Drinking Water Quality |
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Office of Drinking Water Quality
MONITORING Public Water Supplies
Non-Transient Non-Community Monitoring Requirements
Non-Transient Non-Community Public Water Systems can expect the following approximate sampling costs:
- Initial monitoring: Total and Fecal Coliform, Nitrate, Inorganics, Metals, complete IOC, Cyanide, VOC* - $500.00
- Quarterly after system begins operations: VOC, Total and Fecal Coliform, SOC- $1050.00 **
- Annually for 2 periods after initial year of operations: Quarterly Total and Fecal Coliform, VOC, Nitrates- $350.00
- 3 rd annual/1 st Triennial monitoring: Quarterly Total and Fecal Coliform, VOC, SOC’s not waived, IOC, metals, cyanide, Fluoride, Nickel and nitrate/nitrites - $600.00
Other costs/requirements associated with the Public Water System license are:
- License Fee: $250.00
- Lead & Copper monitoring: 2 initial six-month rounds at a cost of approximately $150.00/round depending on population. If action levels are met, system moves to annual monitoring for 3 consecutive years then to triennial monitoring ($150.00/monitoring period depending on population). Initial monitoring results equal to or below .005 and .65 mg/l for lead and copper respectively allow the system to proceed directly to triennial monitoring.
- Certified Operator: System must be under the supervision of a licensed operator with a minimum of a class VSSD Drinking Water Operator license (population less than 500 persons) issued by the Rhode Island Drinking Water Operator Certification Board. Please note the presence of treatment above and beyond a cartridge filter will require that the system be under the supervision of a licensed treatment operator as well.
*may be used to meet VOC Quarterly testing requirements as long as entire sampling covers four (4) consecutive quarters.
**actual 1 st quarter cost. Waivers for SOC monitoring may reduce 2 nd, 3 rd and 4 th quarter costs by as much as $800.00.
Monitoring Required for Non-Community Non Transient Water Systems:
SOC Monitoring (Initial quarterly, then reduced to once triennially) |
2,4,D |
Endrin |
Aldicarb |
2,4,5 TP(Silvex) |
EDB |
Aldicarb sulfone |
Alachlor |
Heptachlor |
Aldicarb sulfoxide |
Atrazine |
Heptachlor epoxide |
Dibromochloropropane |
Benzo(a) pyrene |
Hexachlorobenzene |
Picloram |
Carbofuran |
Hexachlorcyclopentadiene |
Dinoseb |
Chlordane |
Lindane |
Simazine |
Dalaphon |
Methoxychlor |
Toxaphene |
Di-2(ethylhexyl) adipate |
Di-2(ethylhexyl) phthalate |
Oxamyl |
Endothall |
Pentachlorophenol |
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PCB's Screen (PCB's – 1016, 1221, 1232, 1242, 1248, 1254, 1260) |
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State Wide Waiver |
2,3,7,8,TCDD |
Diquat |
Glyphosate |
IOC Monitoirng – (Once triennially) |
Antimony |
Fluoride |
Thallium |
Barium |
Mercury |
Sodium |
Beryllium |
Nickel |
Arsenic |
Cadmium |
Nitrite |
Sulfate |
Chromium |
Selenium |
Cyanide |
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Nitrate required annually |
Regulated VOC (Initial quarterly then reduced to annual) |
trans 1,2 Dichloroethene |
1,1,1 Trichloroethane |
1,1 Dichloroethene |
1,1,2 Trichloroethane |
1,2 dichlorobenzene |
1,2 Dichloroethane |
1,2 Dichloropropane |
1,2,4 Trichlorobenzene |
1,4 Dichlorobenzene |
Benzene |
Carbon Tetrachloride |
Chlorobenzene |
cis-1,2 Dichloroethene |
Ethylbenzene |
Methylene Chloride |
Styrene |
Tetrachloroethene |
Toluene |
Trichloroethene |
Vinyl Chloride |
Xylene |
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If additional results for VOC’s testing are provided, they must be included in submission |
Lead and Copper Semi annual may be reduced depending upon results |
Lead |
Copper |
Quarterly microbiological testing required
For monitoring details, please refer to the Rules and Regulations Pertaining to Public Drinking Water.
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