Just tap water is safe to eat

Gunsan k-water quality test results

( August, 2014 )

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 : August 5, 2014

○ Test period : August 5, 2014  ~  August 18, 2014

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	0.79	0.49
4	Pb	0.01㎎/ℓLess	ND	ND	33	Trihalomethanes	0.1㎎/ℓLess	0.011	0.017
5	F	1.5㎎/ℓLess	ND	ND	34	chloroform	0.08㎎/ℓLess	0.008	0.011
6	As	0.01㎎/ℓLess	ND	ND	35	bromodichloromethane	0.03㎎/ℓLess	0.003	0.005
7	Se	0.01㎎/ℓLess	ND	ND	36	dibromochloromethane	0.1㎎/ℓLess	ND	0.001
8	Hg	0.001㎎/ℓLess	ND	ND	37	chloralhydrate	0.03㎎/ℓLess	0.0018	0.0037
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	0.0015	0.0021
11	NH3-N	0.5㎎/ℓLess	ND	ND	40	Trichloroacetonitrile	0.004㎎/ℓLess	ND	ND
12	NO3-N	10㎎/ℓLess	1.2	1.1	41	Haloaceticacid	0.1㎎/ℓLess	0.013	0.017
13	Cd	0.005㎎/ℓLess	ND	ND	42	Hardness	300㎎/ℓLess	34	34
14	B	1.0㎎/ℓLess	ND	ND	43	Donsumption of ptas sium permanganate	10㎎/ℓLess	1.2	1.3
15	Phenol	0.005㎎/ℓLess	ND	ND	44	Smell	only the raw smell of disinfection	None	None
16	Diazinon	0.02㎎/ℓLess	ND	ND	45	Taste	only the raw taste of disinfection	None	None
17	Parathion	0.06㎎/ℓLess	ND	ND	46	Cu	1㎎/ℓLess	ND	ND
18	Fenitrothion	0.04㎎/ℓLess	ND	ND	47	Color	5 Less	ND	ND
19	Carbaryl	0.07㎎/ℓLess	ND	ND	48	ABS	0.5㎎/ℓLess	ND	ND
20	1.1.1-Trichloroethane	0.1㎎/ℓLess	ND	ND	49	PH	5.8 ~ 8.5	7.0	7.1
21	Tertachloroethylene	0.01㎎/ℓLess	ND	ND	50	Zn	3㎎/ℓLess	ND	0.008
22	Trichloroethylene	0.03㎎/ℓLess	ND	ND	51	Cl-	250㎎/ℓLess	10	10
23	Dichloromethane	0.02㎎/ℓLess	ND	ND	52	Residue on evaporation	500㎎/ℓLess	66	68
24	Benzene	0.01㎎/ℓLess	ND	ND	53	Fe	0.3㎎/ℓLess	ND	ND
25	Toluene	0.7㎎/ℓLess	ND	ND	54	Mn	0.05㎎/ℓLess	ND	ND
26	Ethylbenzene	0.3㎎/ℓLess	ND	ND	55	Turbidity	0.5NTULess	0.06	0.06
27	Xylene	0.5㎎/ℓLess	ND	ND	56	SO42-	200㎎/ℓLess	6	6
28	1.1-Dichloroethylene	0.03㎎/ℓLess	ND	ND	57	Al	0.2㎎/ℓLess	ND	ND
29	Tetrchlorocarbon	0.002㎎/ℓLess	ND	ND	58	Formaldehyde	0.2㎎/ℓLess	ND	ND
Test results			Suitable	Suitable	Test results			Suitable	Suitable

K-water courses by reservoir(Water test results from participating in Gunsan, Housewives Classroom)

Regional water quality test results for 16 sites suitable for drinking

○ Water sampling date : August 19, 2014 ~ August 20, 2014

○ Test period : August 19, 2014 ~ August 28, 2014

▶ 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/ℓ이하)	Cu (1mg/ℓ이하)	Zn (3mg/ℓ이하)	Trihalomethanes(0.1mg/ℓLess)
Average	6.8	0.14	0.08	0	ND	ND	ND	0.03	ND	0.005	0.032
Max	6.6	0.19	0.32	0	ND	ND	ND	0.11	ND	0.002	0.036

▶ Kunbong 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/ℓ이하)	Cu (1mg/ℓ이하)	Zn (3mg/ℓ이하)	Trihalomethanes(0.1mg/ℓLess)
Average	6.8	0.15	0.09	0	ND	ND	ND	ND	ND	0.004	0.033
Max	6.8	0.19	0.11	0	ND	ND	ND	ND	ND	0.016	0.036

▶ 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/ℓ이하)	Cu (1mg/ℓ이하)	Zn (3mg/ℓ이하)	Trihalomethanes(0.1mg/ℓLess)
Average	6.8	0.13	0.08	0	ND	ND	ND	ND	ND	ND	0.036
Max	6.9	0.17	0.10	0	ND	ND	0.01	ND	ND	ND	0.040

▶ Ohsikdo 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/ℓ이하)	Cu (1mg/ℓ이하)	Zn (3mg/ℓ이하)	Trihalomethanes(0.1mg/ℓLess)
Average	6.9	0.11	0.08	0	ND	ND	ND	ND	ND	ND	0.034
Max	7.0	0.14	0.12	0	ND	ND	ND	ND	ND	ND	0.036

Faucet(Water test results from participating in Gunsan, Korea Women Consumers Union)

Every month 40 locations in tap water safety test results

○ Water sampling test : August 11, 2014 ~ August 13, 2014

○ Test period : August 11, 2014. ~ August 20, 2014

▶ 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	0.13	0.28

▶ 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	0.12	0.23

▶ 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	0.23	ND	ND	0.001	ND	ND	12
Maximum value	0	ND	ND	0.27	ND	ND	0.002	ND	ND	12

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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