Just tap water is safe to eat

Gunsan k-water quality test results

( November 2015 )

Yongdam process water purification treatment process through the scientific safe and clean water

Water Source

【 Youngdam Front view 】

Water Treatment Process

Disinfection Place

Water supply

intake Water  Place

Start Place

Mixed Place

Aggregation Place

Sedimentation Place

Filtration Place

Disinfection Place

Home

Water treatment plant and reservoir inflow

K-water produces a monthly water quality test results in water suitable for drinking     water as the water is received is determined

○ Water sampling date : November 2, 2015

○ Test period :November 2, 2015  ~  November 26, 2015

No.	Test items	water standards	Test results		No.	Test items	water standards	Test results
			Water Plant	Gunsan water				Water Plant	Gunsan water
1	Bacteria	100CFU/㎖Less	0	0	30	1,2dibromo-3-chloropropane	0.003㎎/ℓLess	ND	ND
2	Total Coliforms	ND/100㎖	ND	ND	31	1,4-dioxane	0.05㎎/ℓLess	ND	ND
3	E.coli	ND/100㎖	ND	ND	32	Residual chlorine	4.0㎎/ℓLess	0.78	0.44
4	Pb	0.01㎎/ℓLess	ND	ND	33	Trihalomethanes	0.1㎎/ℓLess	0.012	0.025
5	F	1.5㎎/ℓLess	ND	ND	34	chloroform	0.08㎎/ℓLess	0.008	0.016
6	As	0.01㎎/ℓLess	ND	ND	35	bromodichloromethane	0.03㎎/ℓLess	0.003	0.007
7	Se	0.01㎎/ℓLess	ND	ND	36	dibromochloromethane	0.1㎎/ℓLess	0.001	0.002
8	Hg	0.001㎎/ℓLess	ND	ND	37	chloralhydrate	0.03㎎/ℓLess	0.0018	0.0039
9	CN	0.01㎎/ℓLess	ND	ND	38	Dibromoacetonitrile	0.1㎎/ℓLess	ND	ND
10	Cr	0.05㎎/ℓLess	ND	ND	39	Dichloroacetonitrile	0.09㎎/ℓLess	0.0009	0.0019
11	NH3-N	0.5㎎/ℓLess	ND	ND	40	Trichloroacetonitrile	0.004㎎/ℓLess	ND	ND
12	NO3-N	10㎎/ℓLess	1.0	1.0	41	Haloaceticacid	0.1㎎/ℓLess	0.012	0.017
13	Cd	0.005㎎/ℓLess	ND	ND	42	Formaldehyde	0.2㎎/ℓLess	ND	ND
14	B	1.0㎎/ℓLess	ND	ND	43	Hardness	300㎎/ℓLess	42	42
15	Phenol	0.005㎎/ℓLess	ND	ND	44	Donsumption of ptas sium permanganate	10㎎/ℓLess	0.8	0.7
16	Diazinon	0.02㎎/ℓLess	ND	ND	45	Smell	only the raw smell of disinfection	None	None
17	Parathion	0.06㎎/ℓLess	ND	ND	46	Taste	only the raw taste of disinfection	None	None
18	Fenitrothion	0.04㎎/ℓLess	ND	ND	47	Cu	1㎎/ℓLess	ND	ND
19	Carbaryl	0.07㎎/ℓLess	ND	ND	48	Color	5 Less	ND	ND
20	1.1.1-Trichloroethane	0.1㎎/ℓLess	ND	ND	49	ABS	0.5㎎/ℓLess	ND	ND
21	Tertachloroethylene	0.01㎎/ℓLess	ND	ND	50	PH	5.8 ~ 8.5	7.0	7.1
22	Trichloroethylene	0.03㎎/ℓLess	ND	ND	51	Zn	3㎎/ℓLess	0.002	0.005
23	Dichloromethane	0.02㎎/ℓLess	ND	ND	52	Cl-	250㎎/ℓLess	12.3	12.9
24	Benzene	0.01㎎/ℓLess	ND	ND	53	Residue on evaporation	500㎎/ℓLess	97	98
25	Toluene	0.7㎎/ℓLess	ND	ND	54	Fe	0.3㎎/ℓLess	ND	ND
26	Ethylbenzene	0.3㎎/ℓLess	ND	ND	55	Mn	0.05㎎/ℓLess	ND	ND
27	Xylene	0.5㎎/ℓLess	ND	ND	56	Turbidity	0.5NTULess	0.08	0.06
28	1.1-Dichloroethylene	0.03㎎/ℓLess	ND	ND	57	SO42-	200㎎/ℓLess	6	6
29	Tetrchlorocarbon	0.002㎎/ℓLess	ND	ND	58	Al	0.2㎎/ℓLess	ND	ND
Test results			Suitable	Suitabl	Test results			Suitable	Suitable

K-water courses by reservoir(Water test results from participating in Gunsan, Korea Women Consumers Union)

Regional water quality test results for 16 sites suitable for drinking

○ Water sampling date : November 16, 2015 ~ November 17, 2015

○ Test period : November 16, 2015 ~ November 24, 2015

▶ Naun reservoir

Division	P H (5.8~3.5)	Residual chlorine (4.0mg/ℓLess)	Turbidity (0.5NTU Less)	Bacteria (100CFU/mℓLess)	Total Coliforms (NE/100mℓ)	E.coli (ND/100mℓ Less)	NH3-N (0.5mg/ℓ Less)	Fe (0.3mg/ℓ Less)	Cu (1mg/ℓ Less)	Zn (3mg/ℓ Less)	Trihalomethanes(0.1mg/ℓLess)
Average	7.2	0.21	0.13	0	ND	ND	ND	0.02	0.030	0.028	0.023
Max	7.2	0.34	0.21	0	ND	ND	ND	0.06	0.036	0.038	0.028

▶ Kunbong reservoir

Division	P H (5.8~3.5)	Residual chlorine (4.0mg/ℓLess)	Turbidity (0.5NTU Less)	Bacteria (100CFU/mℓ Less)	Total Coliforms (NE/100mℓ)	E.coli (ND/100mℓ Less)	NH3-N (0.5mg/ℓ Less)	Fe (0.3mg/ℓ Less)	Cu (1mg/ℓ Less)	Zn (3mg/ℓ Less)	Trihalomethanes(0.1mg/ℓLess)
Average	7.1	0.29	0.14	0	ND	ND	ND	ND	0.039	0.018	0.029
Max	7.1	0.35	0.23	0	ND	ND	ND	ND	0.042	0.026	0.032

▶ Daeya reservoir

Division	P H (5.8~3.5)	Residual chlorine (4.0mg/ℓLess)	Turbidity (0.5NTU Less)	Bacteria (100CFU/mℓLess)	Total Coliforms (NE/100mℓ)	E.coli (ND/100mℓ Less)	NH3-N (0.5mg/ℓ Less)	Fe (0.3mg/ℓLess)	Cu (1mg/ℓLess)	Zn (3mg/ℓLess)	Trihalomethanes(0.1mg/ℓLess)
Average	7.2	0.30	0.16	0	ND	ND	ND	ND	0.039	0.020	0.029
Max	7.2	0.33	0.22	0	ND	ND	ND	ND	0.048	0.027	0.034

▶ Ohsikdo reservoir

Division	P H (5.8~3.5)	Residual chlorine (4.0mg/ℓLess)	Turbidity (0.5NTU Less)	Bacteria (100CFU/mℓ Less)	Total Coliforms (NE/100mℓ)	E.coli (ND/100mℓ Less)	NH3-N (0.5mg/ℓ Less)	Fe (0.3mg/ℓLess)	Cu (1mg/ℓ Less)	Zn (3mg/ℓ Less)	Trihalomethanes(0.1mg/ℓ Less)
Average	7.1	0.16	0.16	0	ND	ND	ND	ND	0.029	0.022	0.025
Max	7.2	0.23	0.24	0	ND	ND	ND	ND	0.030	0.034	0.027

Faucet(Water test results from participating in Gunsan volunteers society women)

Every month 40 locations in tap water safety test results

○ Water sampling test : November 09, 2015 ~ November 11, 2015

○ Test period : November 09, 2015. ~ November 19, 2015

▶ Faucet

Bacteria (100CFU/㎖Less)		Totalcoliforms (ND/100㎖)		E.coli (ND/100㎖)		Residual chlorine (4.0mg/ℓLess)
Average	Max	Average	Max	Average	Max	Average	Max
0	0	ND	ND	ND	ND	0.20	0.32

▶ After passing through a water tank faucet

Bacteria (100CFU/㎖Less)		Totalcoliforms (ND/100㎖)		E.coli (ND/100㎖)		Residual chlorine (4.0mg/ℓLess)
Average	Max	Average	Max	Average	Max	Average	Max
0	0	ND	ND	ND	ND	0.19	0.28

▶ The end of the faucet

구 분	Bacteria (100CFU/mℓLess)	Totalcoliforms (ND/100mL)	E.coli (ND/100mL)	Residual chlorine (4.0 mg/ℓLess)	Fe (0.3 mg/ℓLess)	Cu (1 mg/ℓLess)	Zn (3 mg/ℓLess)	Mn (0.3 mg/ℓLess)	NH3-N (0.5 mg/ℓLess)	Cl- (250mg/ℓLess)
Average value	0	ND	ND	0.26	ND	0.211	0.028	ND	ND	12.1
Maximum value	0	ND	ND	0.29	ND	0.287	0.040	ND	ND	12.1

Contact water quality

♣ Counter complaints : Gunsan city water service section

♣ Complaints Phone : No area code 120times

☎ Adminstration 454-5352 Charge 454-5362

Water Mangement 454-5382 Water sector 454-5392, 5402, 5422

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